20 g Precision Calibration Weight Knob Polished Stainless Steel, OIML F1, 0.25 mg Tolerance - KERN

Protect valuable calibration weights with a padded wooden case that keeps a 20 g single weight secure and ready for use; compatibility with KERN weight series and a compact, lightweight design support efficient workshop routines. Order the case directly via Metav Werkzeuge or consult our specialists for tailored advice. KERN Wooden case for single weights 20 g (317-050-100) The wooden case for single weights offers secure, padded storage for 20 g calibration weights, suited to metrology, workshops and verification tasks. Padded wooden case for single weights Fits 20 g nominal weights, classes E1–F1 Compatible with KERN 307, 316, 317, 326, 327, 329 Secure storage that protects calibration accuracy The padded wooden case is designed to protect a single 20 g calibration weight from knocks, dust and moisture during storage and transport. By isolating the mass from external influences, the case helps to maintain the weight’s calibration integrity and reduces the risk of surface damage that can affect measurement traceability. For environments where repeated handling occurs, this protection translates into fewer recalibrations and uninterrupted measuring workflows. Efficient handling and straightforward organisation A compact, purpose-made storage solution simplifies daily routines in the workshop and laboratory. The interior padding holds the weight firmly in place, making placement and removal quick and reliable. Compatibility with several KERN single-weight series ensures consistent organisation across existing sets, reducing time spent searching for the right item. The lightweight construction supports easy transfer between benches or to mobile test locations without adding unnecessary bulk. Engineered for metrology requirements and easy identification Compatible with nominal 20 g weights in classes E1–F1, the case meets common metrology requirements for high-precision reference masses and is suitable for button/compact weight formats. The wooden exterior offers a stable, thermally neutral shell while the padded interior cushions against vibrations. Clear labelling with the SKU supports traceability and inventory control, aiding quality assurance processes and log keeping. For secure, standards-conscious storage of precision weights, contact Metav Werkzeuge in Emmerich at info@metav-werkzeuge.com or call +49 2822 7131930 to request the KERN wooden case 317-050-100 and expert procurement advice Technical data SKU: 317-050-100 GTIN: 4045761003613 Manufacturer: KERN Material: Wood Weight: 0.13 kg Facts Nominal value: 20 g Classes: E1–F1 Origin: DE HS code: 84239090 Special features Padded interior For single weights (button/compact) Compatible with KERN 307, 316, 317, 326, 327, 329 FAQ What weight does this case accommodate? The wooden case is designed for a single nominal 20 g calibration weight, suitable for button/compact formats. Which accuracy classes are supported? This storage solution supports weights of classes E1–F1, making it suitable for fine metrology and verification tasks. Is the case compatible with other KERN products? Yes, the case is compatible with KERN single weights including models 307, 316, 317, 326, 327 and 329. Does the case protect against environmental influences? The padded interior and wooden exterior provide protection from shocks, dust and minor moisture exposure, helping to preserve calibration. Can the case be used for transport between sites? The compact, lightweight design supports safe short-distance transport of a single reference weight while maintaining its protective cushion. KERN — Germany — Manufacturer contact not provided

Take advantage of the combination of secure storage, compact handling and class‑compliant organisation to protect calibration weights and simplify workflow; order the case directly via Metav Werkzeuge or consult our advisors for specification support. KERN Plastic Case for Single Weights 347-050-400 — for 10 g–20 g weights, classes F1–M3 The KERN Plastic Case for Single Weights 347-050-400 offers organised, transport‑ready storage for single calibration weights used in workshops and laboratories. Plastic case for single calibration weights Fits button/compact weight designs Compatible with weight classes F1 to M3 Protect measurement integrity with compact, secure storage The KERN Plastic Case is engineered to safeguard single calibration weights during storage and light transport. The plastic construction combines low weight with dimensional stability, reducing the risk of accidental scratches or contamination that can affect mass values. By keeping individual weights in a dedicated compartment, the case helps maintain measurement accuracy and continuity in calibration routines, supporting efficient quality control and repeatable weighing processes. Lightweight organisation that saves space and handling time A slim, lightweight enclosure simplifies handling on the workbench and in the calibration lab. At approximately 0.02 kg, the case adds negligible mass while offering clear separation for button/compact weight geometries, which minimises handling time and reduces the chance of cross‑contamination between masses. The compact design aids storage density and enables quicker inventory checks, contributing to streamlined workflow and consistent measurement results. Clear compatibility with calibration classes and nominal values Designed for nominal values in the 10 g–20 g range and certified weight classes F1–M3, the case supports commonly used small reference weights in laboratories and service centres. The case accommodates the typical form factors of single weights, ensuring that calibration artefacts remain correctly seated and identifiable. For users less familiar with class designations: F1–M3 indicate graded tolerances; choosing a case that matches those classes helps preserve the reference condition required for traceable weighing procedures. Contact Metav Werkzeuge in Emmerich for tailored advice on KERN calibration accessories and compatible storage options — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data SKU: 347-050-400 Manufacturer: KERN GTIN: 4045761008694 Country of origin: DE ECLASS: 21100103 Facts Nominal values: 10 g–20 g Weight classes: F1–M3 Net weight: 0.02 kg Tariff code: 84239090 Special features Material: Plastic For single weights (button / compact) Product group: Plastic cases for calibration weights FAQ Which nominal weights fit this case? The plastic case accommodates single calibration weights with nominal values in the 10 g–20 g range, matching the intended size and seating for those masses. Which weight classes are compatible with the case? This case is suitable for weights of classes F1 to M3; it is designed to hold items that meet those tolerance grades without compromising identification or storage. Is the case suitable for button or compact weight shapes? Yes — the internal layout is compatible with button/compact geometries, ensuring secure positioning and easy retrieval of individual weights. What material is the case made from and how is it maintained? The case is made from plastic; it is lightweight and can be wiped clean with a soft, lint‑free cloth and a mild cleaning agent to remove dust and residues. Metav Werkzeuge, Emmerich am Rhein, Germany — info@metav-werkzeuge.com — +49 2822 7131930

Robust aluminium protection combined with a padded interior and a compact, button-style layout ensures secure transport and storage for single calibration weights of 20 g, suitable for precision classes E1–M3. Order the (Aluminium-protected case KERN 317-050-600) directly via (Metav Werkzeuge) or ask our consultants if needed. Aluminium-protected case KERN 317-050-600 — padded housing for single calibration weights The Aluminium-protected case provides secure, compact storage for individual calibration weights in the button/compact format and is designed for professional metrology environments Aluminium-protected housing Padded interior for secure storage For 20 g single weights E1–M3 Protection that preserves measurement integrity The solid aluminium shell offers mechanical protection against knocks and abrasion, while the padded interior prevents movement and surface damage during handling and transport. For traceable calibration workflows, physical protection of weights reduces the risk of mass change due to nicks or contamination; this maintains calibration accuracy and extends service intervals. The compact footprint suits crowded calibration benches and dedicated transport boxes, supporting efficient storage without compromising accessibility. Built for calibration routines and compliance Designed specifically for single nominal values of 20 g and for precision classes E1–M3, the case supports standard conformity requirements used in laboratory and workshop calibration procedures. The internal layout accommodates the button/compact form factor used by many precision weight manufacturers, ensuring a snug fit that minimises handling time and error potential. The result is a reliable aid to routine calibrations, helping to keep measurement chains stable and reducing downtime associated with damaged weights. Practical handling for workshops and laboratories Lightweight at about 0.18 kg, the case remains easy to carry while providing solid protection, making it suitable for mobile calibration kits or fixed bench use. The durable finish simplifies cleaning and helps prevent corrosion-related issues in humid environments. Label space and compact dimensions make inventory management straightforward, supporting orderly storage and rapid identification of the contained 20 g weight. Combining robust materials with considered ergonomics contributes to workflow efficiency and asset longevity. Choose the KERN aluminium-protected case for secure storage of precision weights and contact Metav Werkzeuge in Emmerich for ordering or technical consultation via info@metav-werkzeuge.com or by phone Technical Data Article number: 317 SKU: 317-050-600 Manufacturer: KERN GTIN: 4045761222663 Country of origin: CN Commodity code: 84239090 Net weight: 0.18 kg Core specifications Suitable for nominal values: 20 g Calibration classes: E1–M3 Eclass: 21100103 Materials and special features Material: Aluminium Interior: padded Design: button/compact for single weights Product group: Aluminium-protected cases FAQ What nominal weight fits this case? The aluminium-protected case is sized for a single nominal value of 20 g, optimised for button/compact weight formats. Which calibration classes are supported? This case is specified for precision classes E1–M3, making it suitable for high-accuracy laboratory and workshop calibration tasks. Is the interior suitable for regular transport? Yes, the padded interior prevents movement and surface damage, supporting safe transport within mobile calibration kits. What material is the housing made from? The housing is made from aluminium, providing a robust exterior that resists knocks and abrasion during routine use. Who supplies this case and how does it fit into a calibration workflow? The case is manufactured by KERN and is intended to protect single calibration weights during storage and handling, aiding consistent measurement procedures. KERN · Origin: China · SKU: 317-050-600

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