<h2>1020-Piece Metric O-Ring Assortment Kit – 20 Sizes for Every Sealing Need</h2> <p>Never get caught without the right seal again. This comprehensive <strong>1020-piece metric O-ring kit</strong> puts 20 popular sizes right at your fingertips — from 1mm I/D all the way up to 25mm I/D — so you can tackle faucet repairs, automotive maintenance, hydraulic systems, and more without a last-minute hardware store run.</p> <h3>Key Features</h3> <ul> <li> <strong>1020 Pieces, 20 Metric Sizes:</strong> A complete assortment covering the most commonly needed O-ring dimensions (Internal Diameter × Cross Section). A handy size chart on the case lid makes selection fast and effortless.</li> <li> <strong>Premium NBR Material:</strong> Made from high-grade Nitrile Butadiene Rubber (NBR), these O-rings deliver excellent resistance to oils, hydraulic fluids, water, and abrasion — built to hold up in demanding environments.</li> <li> <strong>Versatile Applications:</strong> Ideal for home faucet repairs, automotive engine and cylinder maintenance, pressure washers, air and gas lines, pipe fittings, and hydraulic systems. One kit covers the garage, workshop, and home.</li> <li> <strong>Organized Storage Case:</strong> All pieces come neatly sorted in a transparent, heavy-duty plastic case with divided compartments — no more hunting for the right size. Case dimensions: approx. 19 × 13.1 × 3.6 cm (7.48" × 5.16" × 1.42").</li> <li> <strong>Compact &amp; Portable:</strong> Slim enough to slip into a toolbox drawer or parts cabinet, making it perfect for professional mechanics and DIY enthusiasts alike.</li> </ul> <h3>What's in the Box</h3> <ul> <li>1 × 1020-Piece 20-Size Metric O-Ring Kit</li> <li>1 × Transparent Storage Case with Size Chart Lid</li> </ul> <h3>Specifications</h3> <table> <tr> <td><strong>Material</strong></td> <td>Nitrile Butadiene Rubber (NBR)</td> </tr> <tr> <td><strong>Total Pieces</strong></td> <td>1020</td> </tr> <tr> <td><strong>Number of Sizes</strong></td> <td>20 Metric Sizes</td> </tr> <tr> <td><strong>Inner Diameter Range</strong></td> <td>1mm – 25mm</td> </tr> <tr> <td><strong>Case Dimensions</strong></td> <td>19 × 13.1 × 3.6 cm</td> </tr> <tr> <td><strong>Country of Origin</strong></td> <td>Made in China</td> </tr> </table> <h3>You Might Also Like</h3> <ul> <li><a href="/products/screw-extractor-drill-bit-set-carbon-steel-double-sided">Screw Extractor Drill Bit Set 5 &amp; 6 Pc – Carbon Steel</a></li> <li><a href="/products/large-diameter-kitchen-funnel-cooking-camping-travel">Large Diameter Kitchen Funnel – Cooking, Camping &amp; Travel</a></li> <li><a href="/products/silicone-cable-ties-reusable-cord-organizers-10-pack">10-Pack Silicone Cable Ties – Reusable Cord Organizers</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/personal-protective-equipment" target="_blank" rel="noopener">OSHA on personal protective equipment</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What material are the O-rings in this metric kit made from?</h4> <p>A: All 1020 O-rings are made from high-grade Nitrile Butadiene Rubber (NBR), a commercial-quality elastomer known for its strong resistance to oils, hydraulic fluids, water, and abrasion — making these seals a durable choice for automotive, plumbing, and industrial applications.</p> <h4>Q: What sizes are included in the 1020-piece O-ring assortment?</h4> <p>A: The kit contains 20 popular metric sizes with inner diameters ranging from 1mm up to 25mm. A complete size chart printed on the storage case lid lists every dimension and piece count so you can find the right O-ring quickly.</p> <h4>Q: What applications is this O-ring kit suitable for?</h4> <p>A: This versatile sealing kit is designed for a wide range of uses including home faucet and pipe repairs, automotive engine and cylinder maintenance, hydraulic systems, pressure washers, and air or gas line fittings. It's an excellent all-in-one solution for mechanics, plumbers, and DIY ho