1. Durable Material: Our 1200pcs O Ring Sealing Washer Kit is made of high-quality Black rubber material, which is known for its excellent oil resistance and resistance to high temperatures. This ensures that our O-rings can withstand various harsh environments without deteriorating or losing their sealing properties. 2. Versatile Application: With a wide range of sizes and excellent sealing performance, our O-ring kit is perfect for plumbing projects, providing a reliable and watertight seal for a variety of applications including faucets, pipes, valves, and more. Whether you are a DIY enthusiast or a professional plumber, this kit has got you covered. 3. Easy Installation: The O-rings in our kit are designed to fit perfectly, making installation a breeze. Simply select the appropriate size from the 1200pcs assortment and place it in the desired location. The flexibility and elasticity of our O-rings ensure a snug and secure fit, preventing leaks and extending the lifespan of your plumbing system. 4. Reliable Seal: Our O-ring seals are engineered to provide a tight and long-lasting seal against oil, water, gas, and other fluids. The precision manufacturing process and high-quality material ensure that these seals maintain their integrity even under extreme pressure and temperature conditions. Say goodbye to leaks and enjoy peace of mind with our reliable O-rings. 5. Value Pack: With a generous quantity of 1200pcs, our O-ring kit offers great value for money. You'll have a wide selection of sizes at your fingertips, eliminating the need to search for specific O-rings when working on different projects. This comprehensive kit provides convenience and cost-effectiveness, making it a must-have for any professional or DIYer. Colour:Black Material:rubber Package Contents: 1200pcs O Ring Sealing Washer Only the above package content, other products are not included. Note: Light reflection and different d Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!