Usage Tips:Practical Accessories These rubber washers for screws can fix leaky faucets, and the flat rubber washers can prevent air, water, and other substances from spilling out. The faucet washer is easy to install, simply unscrew the faucet and replace the old rubber gasket. These rubber washers are practical accessories for everyday life. Rubber Material The rubber washers are made of rubber material, which is flexible and elastic, strong, and not easy to wear and tear. The rubber washers for bolts are not easy to loosen during use, do not leave scratches, and can be used for a long time. Rubber Washer size These rubber washer kits come in five sizes, which are 12mm outer diameter x 6mm inner diameter, 18mm outer diameter x 8mm inner diameter, 20mm outer diameter x 10mm inner diameter, 25mm outer diameter x 8mm inner diameter, outer diameter 30mm x 10mm inner diameter. Please check the size of the rubber ring you need before buying to prevent buying the wrong size. Wide Application These rubber flat washer has a good seal, suitable for replacing broken or old rubber washers on most kitchen faucets, bathroom faucets, shower door handles, cabinets, and towel bars. These rubber washers plumbing can bring a lot of convenience to your life. What You Get You will receive 120 pcs faucet washer assortment kit in five sizes, each size has 24 pcs. Sufficient quantity is meet your various replacement needs and application needs. If you have any questions about our products, you can connect us anytime and we will reply as soon as possible.