<h2>225-Piece Nitrile Rubber O-Ring Assortment Set – Multi-Size Sealing Gasket Kit</h2> <p>Keep every connection tight and leak-free with this comprehensive 225-piece nitrile rubber O-ring assortment. Whether you're tackling a dripping faucet, servicing an automotive hose, or maintaining a hydraulic system, this all-in-one kit delivers the right-sized seal every time.</p> <h3>Why Choose This O-Ring Kit?</h3> <ul> <li> <strong>225-Piece Multi-Size Assortment</strong> – Covers a wide range of diameters and cross-sections to meet common sealing demands, from compact faucet fittings to larger automotive and hydraulic connections.</li> <li> <strong>Premium Nitrile Rubber (NBR) Material</strong> – Oil-resistant, water-resistant, and heat-tolerant construction delivers dependable flexibility and long-lasting performance in both indoor and outdoor environments.</li> <li> <strong>Reliable Airtight &amp; Watertight Seals</strong> – Precision-formed rings create secure, leak-proof connections for plumbing, automotive hoses, hydraulic systems, pneumatic equipment, air conditioning lines, gas fittings, and general household repairs.</li> <li> <strong>Organized Compartmentalized Storage Case</strong> – Every size is sorted and clearly visible in a durable, clear plastic box, so you find the exact ring you need in seconds — no loose parts, no guesswork.</li> <li> <strong>Versatile Application</strong> – Ideal for DIY enthusiasts, plumbers, mechanics, HVAC technicians, and homeowners managing routine maintenance or emergency repairs.</li> </ul> <h3>Product Specifications</h3> <ul> <li> <strong>Quantity:</strong> 225 pieces</li> <li> <strong>Material:</strong> Nitrile Rubber (NBR)</li> <li> <strong>Shape:</strong> Ring Gasket (O-Ring)</li> <li> <strong>Sizes:</strong> Multiple sizes included</li> <li> <strong>Storage:</strong> Clear compartmentalized plastic case</li> <li> <strong>Model:</strong> 225200</li> <li><strong>Made in Mainland China</strong></li> </ul> <h3>Common Uses</h3> <ul> <li>Plumbing pipe and faucet sealing</li> <li>Automotive hose and fuel system connections</li> <li>Hydraulic and pneumatic system maintenance</li> <li>Air conditioning and refrigeration fittings</li> <li>Gas line connections and appliance repair</li> <li>General DIY and household maintenance projects</li> </ul> <h3>Related Products You May Like</h3> <ul> <li><a href="/products/2-3m-car-drain-cleaning-brush-sunroof-pipe-detailing-tool">2.3m Flexible Car Drain Cleaning Brush – Sunroof Pipe Tool</a></li> <li><a href="/products/bincoo-3-valve-316-stainless-steel-moka-pot-single-dual-valve-option-home-outdoor-espresso-coffee-maker">Bincoo 3-Valve 316 Stainless Steel Moka Pot – Home &amp; Outdoor</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/eye-face-protection" target="_blank" rel="noopener">OSHA on eye and face protection</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What material are these O-rings made from, and why does it matter?</h4> <p>A: These O-rings are made from Nitrile Rubber (NBR), a synthetic rubber compound known for its excellent resistance to oils, fuels, water, and moderate heat. This makes them well-suited for automotive, plumbing, hydraulic, and pneumatic applications where exposure to fluids and varying temperatures is common.</p> <h4>Q: How many sizes are included in the 225-piece O-ring assortment set?</h4> <p>A: The kit contains 225 nitrile rubber O-rings spanning multiple diameters and cross-sections, covering the most commonly needed sizes for plumbing repairs, faucet maintenance, automotive hoses, hydraulic systems, and general DIY projects. All sizes are organized in a clear, compartmentalized storage case for quick identification.</p> <h4>Q: Are these O-rings suitable for outdoor and high-pressure applications?</h4> <p>A: Yes. The nitrile rubber (NBR) construction offers strong resistance to oils, water, and heat, making these O-rings reliable for both indoor and outdoor