100 g Test Weight Knob Shape Polished Stainless Steel, OIML Class F1 ±0.5 mg - KERN

Take advantage of a combination of secure storage, precise compatibility and a durable wooden design to protect single calibration weights and maintain measurement reliability. Order directly via Metav Werkzeuge or request advice from our consultants for tailored handling and storage solutions. KERN Wooden case 317-070-100 – Padded wooden case for single 100 g calibration weights The Wooden case 317-070-100 is a padded wooden storage solution designed to house single calibration weights of the button/compact form for use in laboratories and workshops. Padded wooden case for single 100 g weights Fits KERN models 307, 316, 317, 326, 327, 329 Suitable for weight classes E1 to F1 Protects button and compact weight forms Protects high-precision weights during storage and transport The padded interior of this wooden case provides reliable protection for 100 g single weights, reducing the risk of nicks, scratches and contamination that can affect measurement accuracy. A stable wooden outer shell combines with the cushioned lining to absorb shocks encountered during routine handling, preserving the calibration state of the contained mass standards. Maintaining the physical integrity of weights reduces the need for frequent recalibration and supports consistent measurement results across production and quality checks. Clear compatibility for streamlined equipment management Designed specifically for single weights in button and compact formats, the case offers direct compatibility with KERN models 307, 316, 317, 326, 327 and 329 and supports weight classes E1 to F1. These classes denote high-precision calibration standards commonly required in calibration laboratories and industrial metrology. By matching the storage to certified weight classes, the case helps to simplify inventory organisation and ensures that each weight is stored in a manner consistent with its required handling and traceability. Durable materials and compact design for everyday workshop use Constructed from wood with a robust finish, the case provides a long service life while offering a tactile, professional appearance suitable for inspection areas and bench storage. Its compact dimensions and lightweight construction (approx. 0.16 kg) make it easy to handle without adding unnecessary bulk to toolkits or transport boxes. The combination of durable housing and internal padding supports routine use in workshops and laboratories, offering confidence that precision measurement tools remain protected and ready for use. Contact Metav Werkzeuge today for specialist advice on storage and handling of precision weights and to arrange supply directly from our Emmerich facility Technical data Article number: 317-070-100 SKU: 317-070-100 GTIN: 4045761003651 Manufacturer: KERN Material: Wood Net weight: 0.16 kg Facts For weights: 100 g Weight classes: E1–F1 Country of origin: DE Tariff number: 84239090 Special features Padded interior For single weights (button/compact) Compatible with KERN 307, 316, 317, 326, 327, 329 FAQ Which weights fit this case? The wooden case 317-070-100 is sized for a single 100 g calibration weight in button or compact form and is compatible with the KERN models listed in the product details. Can it be used for E1 and F1 class weights? Yes, the case is suitable for storage of weights in classes E1 and F1, offering protection aligned with the handling requirements of these precision categories. Is the interior cushioned or rigid? The design of the Wooden case 317-070-100 features a padded interior to protect the mass standard from shocks and surface damage during storage and transport. Will the case protect weights during short transports? The combination of a sturdy wooden exterior and a cushioned interior helps to protect weights during routine short-distance transport between workshop and lab environments. Which KERN models are explicitly supported? Compatibility is specified for KERN models 307, 316, 317, 326, 327 and 329, making the case suitable for a range of single-weight products from the same manufacturer. Manufacturer: KERN – Address: Germany – Contact: n/a

Take advantage of a durable plastic case that protects and organises individual calibration weights from 50–100 g, compatible with classes F1–M3; order directly via Metav Werkzeuge or consult the team for tailored advice. KERN 347-070-400 Plastic case for individual weights — 50–100 g, F1–M3 The KERN 347-070-400 plastic case is a compact storage solution designed to hold and protect individual calibration weights in button/compact form for routine checks and laboratory use. Compact case for 50–100 g weights Suitable for classes F1–M3 Durable plastic for safe storage Lightweight and easy to transport Organised protection for calibration work A robust storage solution helps maintain calibration integrity by preventing knocks, contamination and mix-ups. The KERN 347-070-400 plastic case is intended specifically for individual weights in the 50–100 g range and supports a tidy workshop workflow. By keeping weights together in a single place, handling time is reduced and the risk of accidental damage is minimised, which in turn helps preserve measurement accuracy across repeated use. Compatible with precision classes and routine checks The case is suitable for weights in classes F1–M3, covering high-precision reference weights through standard test weights used for routine verification. This compatibility means the storage solution aligns with common calibration procedures and instrument checks, supporting traceable handling and easier classification during audits. The emphasis on standard conformity contributes to efficient processes and reliable results. Lightweight, compact and easy to store Constructed from durable plastic, the case is designed for everyday workshop environments where space and weight matter. The lightweight construction (approx. 0.02 kg) and compact footprint simplify transport between workbenches or to off-site measuring points. Practical storage reduces downtime and streamlines the preparation of instruments for measurement or calibration sessions. Built for dependable workshop use Made from resilient material and tailored to button/compact weight geometries, this case supports organised storage without adding unnecessary complexity. The focus is on straightforward functionality: secure containment, clear identification of the intended nominal values, and a shape that fits common calibration workflows. For teams seeking a pragmatic storage solution, this product offers consistent protection with low maintenance. Contact Metav Werkzeuge in Emmerich for precise advice and to arrange supply of the KERN 347-070-400 plastic case that suits workshop and laboratory needs Technical data Article number: 347-070-400 SKU: 347-070-400 GTIN: 4045761008731 Manufacturer: KERN Product: Plastic case for individual weights Numbers / Core technical data Nominal weights: 50 g – 100 g Accuracy classes: F1 – M3 Weight: 0.02 kg ECLASS: 21100103 Tariff code: 84239090 Special features / Versions Material: Plastic Designed for: Individual weights (button/compact) Segment: Calibration weights / Cases and pouches Origin: Germany FAQ What nominal weights does the case accommodate? The case is designed to accommodate individual calibration weights in the 50–100 g range for button/compact forms. Which accuracy classes are compatible with this case? This storage solution is suitable for weights of classes F1–M3, covering both high-precision and routine verification applications. Is the material suitable for everyday workshop use? Yes, the case is made from durable plastic, which provides lightweight, practical protection for regular handling of weights. Can the case be used for other weight shapes or sizes? The case is intended for button/compact weight geometries within the specified 50–100 g nominal range; other shapes or sizes are not guaranteed to fit. Manufacturer: KERN, Germany

Take advantage of secure storage, low weight and precision compatibility to protect sensitive calibration weights; combine aluminium protection with a padded interior for reliable handling and long-term preservation. Order the case directly via Metav Werkzeuge or consult our specialists for tailored advice. Aluminium-protected Case 317-070-600 — for 100 g single weights, E1–M3 (KERN) The Aluminium-protected Case is a padded storage and transport solution designed for single calibration weights in laboratory and workshop metrology environments. Aluminium-protected housing for single weights Padded interior for shock and scratch protection Compatible with 100 g calibration weights Suited for accuracy classes E1–M3 Secure storage that preserves calibration integrity The robust aluminium housing combines lightweight handling with a protective shell that reduces the risk of external damage and contamination to sensitive masses. Internally, the padded lining cushions individual weights and prevents micro-abrasion, which helps maintain calibration integrity over repeated transport and handling. For calibration routines and mobile checks, this containment reduces rework and downtime by keeping reference weights in ready-to-use condition. Designed for standards-driven workflows Compatibility with 100 g nominal weights and accuracy classes E1–M3 ensures the case meets the organisational needs of laboratories, service technicians and quality departments. The internal layout accommodates single, button-style or compact weights, offering immediate visual order and quick retrieval during verification tasks. This arrangement supports efficient processes and consistent measurement results, which is particularly valuable when multiple weights are in regular use. Built for practical workshop and laboratory use With a gross weight of 0.18 kg, the case is lightweight yet sturdy enough for daily handling and storage. Manufactured by KERN, the product carries the clear article identity SKU 317-070-600 and is suitable where secure, mobile protection of individual masses is required. The compact footprint simplifies storage on workbenches or in instrument cabinets and contributes to an uncluttered, professional metrology environment. Contact Metav Werkzeuge in Emmerich by email at info@metav-werkzeuge.com or phone +49 2822 7131930 for expert guidance on the KERN aluminium-protected case 317-070-600 and its suitability for specific calibration setups. Technical Data Article number: 317-070-600 Manufacturer: KERN Material: Aluminium Suitable for: 100 g single weights Accuracy classes: E1–M3 Special feature: Padded interior Facts Weight: 0.18 kg GTIN: 4045761222687 Tariff number: 84239090 Special features Aluminium-protected case Padded lining Designed for button/compact single weights Origin: CN FAQ Is this case suitable for 100 g calibration weights? Yes. The aluminium-protected case is specified for 100 g nominal weights and is laid out for single, button-style and compact masses. Which accuracy classes fit inside the case? The case accommodates weights from accuracy classes E1–M3, making it suitable for high-precision and routine verification work. What material is the case made from? The exterior shell is aluminium and the interior is padded to prevent scratches and shocks to stored weights. Who manufactures this product and how is it identified? This case is manufactured by KERN and identified as SKU 317-070-600, enabling straightforward ordering and inventory tracking. Is the case suitable for mobile calibration work? Yes. The combination of protective aluminium housing and padded interior makes it appropriate for transport between laboratory and on-site locations without compromising stored weights. Metav Werkzeuge, Emmerich am Rhein, Germany · info@metav-werkzeuge.com · +49 2822 7131930

Take advantage of a lightweight, polyamide handling tool that ensures a secure grip on small calibration weights up to 200 g; its 100 mm length combines fine control with easy handling for routine calibration tasks. Order directly via Metav Werkzeuge or consult our specialists for matching accessories and delivery from Emmerich. KERN 315-242 Tweezer (Polyamide, 100 mm) KERN 315-242 is a precision plastic tweezer for secure handling of small calibration weights in laboratories and workshops Secure grip for small calibration weights Suitable for weights E1–M3, 1 mg–200 g 100 mm length for precise handling Polyamide construction, lightweight 10 g Precision handling reduces contamination and measurement error The compact design provides a controlled hold when placing and removing calibration masses, helping to preserve the integrity of sensitive components. Made from polyamide, the instrument is gentle on metallic and plated surfaces and reduces risk of scratching or marking. The compatibility with 1 mg–200 g weights across E1–M3 classes means the tool supports a wide range of calibration workflows, supplying consistent handling where repeatability matters. Built for routine use, the tweezer contributes to faster setup times and fewer handling-related deviations. Comfortable length and light weight for repetitive tasks At 100 mm, the geometry balances reach and tactile feedback to enable precise positioning without overextension of the hand. The construction results in a lightweight tool — approximately 10 g — that decreases operator fatigue during repeated handling. The slim tips facilitate access to small masses and narrow pans, while the overall form factor supports careful handling during calibration runs. Clear, repeatable manipulation of weights improves throughput and aids adherence to internal quality procedures. Durable, easy-care design for laboratory and workshop environments The choice of high-quality plastic provides a durable and easy to clean solution suitable for environments where metal tweezers could risk scratching or produce magnetic influence. Maintenance is straightforward: wipe clean and store in a dry place to maintain tip alignment and performance. The tool's simple construction minimises service requirements and offers a dependable adjunct to balances, scales and precision measuring equipment in both calibration laboratories and industrial workshops. Contact Metav Werkzeuge today for tailored advice and supply of the KERN 315-242 tweezer; our Emmerich-based team can confirm suitability for specific calibration setups and arrange prompt delivery via the central European warehouse (info@metav-werkzeuge.com | +49 2822 7131930 | WhatsApp +49 170 2837271) Technical data Article number: 315 SKU: 315-242 Manufacturer: KERN GTIN: 4045761003439 Material: Polyamide (plastic) Facts Length: 100 mm Weight: 0.01 kg Suitable weight range: 1 mg–200 g Special features Secure grip for small calibration weights Suitable for weight classes E1–M3 Lightweight construction for reduced operator fatigue Simple cleaning and low maintenance FAQ What weight range is compatible with these tweezers? The KERN 315-242 tweezer is suitable for handling calibration weights from 1 mg up to 200 g. Which weight classes can be handled safely with this tool? This tweezer supports weights across classes E1 to M3, making it appropriate for a broad range of calibration tasks. Is the material safe for delicate or plated masses? Yes, the polyamide construction of the KERN 315-242 is designed to be gentle on delicate and plated surfaces, helping to avoid scratches. How should the tweezer be maintained to ensure longevity? Routine care for the KERN 315-242 involves simple cleaning with a soft cloth and storage in a dry place to preserve tip alignment and performance. Can this tool be used in both laboratory and workshop environments? The lightweight, easy-care design of the KERN 315-242 makes it suitable for calibration benches in laboratories as well as workshop settings where precise handling is required. Metav Werkzeuge, Emmerich am Rhein, Germany — Email: info@metav-werkzeuge.com — Tel: +49 2822 7131930 — WhatsApp: +49 170 2837271

Take advantage of secure handling of small calibration weights, robust stainless steel construction and a compact 105 mm length for precise control; order the tweezers directly via Metav Werkzeuge or contact our consultants for application advice. Pinzette 315-243 — Precision tweezers by KERN, stainless steel, 105 mm The Pinzette 315-243 is a precision tweezer designed for the secure handling of small calibration weights in laboratories and workshop environments. Secure grip for micro calibration weights Stainless steel construction Length 105 mm for fine control Suitable for 1 mg – 200 g (E1 – M3) Secure handling for trace and routine calibration tasks The compact design delivers a secure grip for very small test weights, reducing the risk of slippage and accidental contact. Its dimensions, including the 105 mm length, allow for controlled, repeatable handling that supports efficient calibration workflows. This contributes to fewer handling errors and a more consistent weighing routine when working with weights from 1 mg – 200 g. Durable construction that keeps processes dependable Manufactured in stainless steel, the tool combines durability with low maintenance, ensuring longevity in daily metrology use. The robust construction helps maintain geometric stability and handling precision under repeated use, which supports reliable measurement results and reduces downtime for replacements. The design suits both laboratory benches and on-site calibration setups where space and dexterity matter. Practical compatibility and metrology clarity Designed for compatibility with standard calibration classifications, the tweezers are suitable for weights in classes E1 – M3, covering high-accuracy laboratory weights as well as routine workshop standards. For users less familiar with weight classes: these designations indicate recognised accuracy ranges used by calibration professionals and metrology services, ensuring the tool is appropriate for precise, standard-compliant handling. Confidence through expert supply and service Sourcing tools from a trusted partner simplifies procurement and post-sale support. Metav Werkzeuge stands for democratisation of precision, offering an extensive range of metrology supplies from its base in Emmerich. With a broad catalogue and a long-standing customer base, the emphasis is on dependable availability and a clear supply chain that supports uninterrupted calibration operations. Contact Metav Werkzeuge for tailored advice on the KERN 315-243 tweezers and to confirm suitability for specific weight classes — email info@metav-werkzeuge.com or call +49 2822 7131930 for fast guidance from our Emmerich team Technical data Article number: 315 SKU: 315-243 Manufacturer: KERN GTIN: 4045761067615 Length: 105 mm Net weight: 0.02 kg Facts Suitable weight range: 1 mg – 200 g Applicable weight classes: E1 – M3 Material: Stainless steel Special features Secure gripping geometry for small calibration weights Compact format for precise handling and repeatability Designed for laboratory and workshop use Rapid dispatch and broad metrology assortment available from supplier FAQ How small a weight can be handled with these tweezers? The Pinzette 315-243 from KERN is suitable for handling weights from 1 mg up to 200 g, covering the usual micro and small calibration weights used in precise weighing tasks. What material is the tool made from and why does that matter? The tweezers are made from stainless steel, giving corrosion resistance and dimensional stability that support consistent handling and long service life in metrology environments. Are these tweezers suitable for laboratory-grade calibration weights? Yes, the KERN 315-243 is specified for weights in classes E1 – M3, which includes high-accuracy laboratory weights as well as standard workshop classes, making it appropriate for professional calibration work. What are the physical dimensions and weight of the tweezers? The tweezers measure 105 mm in length and have a net weight of 0.02 kg, offering a compact tool that balances control with minimal contact force. Metav Werkzeuge, Emmerich am Rhein, Email: info@metav-werkzeuge.com, Tel: +49 2822 7131930