This faucet washer set is made of , which can withstand use. Features the rubber and brass material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black -Material:Rubber, brass -Size:1.60X1.60X0.70cm/0.63X0.63X0.28in -Size:1.60X1.60X0.30cm/0.63X0.63X0.12in - Contains different styles of commonly used gaskets with clearly marked gasket sizes for easy identification and use. - The faucet gasket is made of high grade rubber material, durable enough to withstand the rigors of everyday use. - A great addition to your home and tool kit, an alternative that can save you on faucet repairs. - Fine workmanship, durable and sturdy, not easy to wear or tear, you deserve to have one. - Simple in structure, easy to use, not easy to deform, you can use it with confidence. Package list: 25 x 1/4S 00 flat washers 25 x 1/4S 00 tip washers 30 x 1/4 M0 flat washers 25 x 1/4 M0 tip washers 30 x 1/4 flat washers 30 x 1/4 tip washers 30 x 1/4L flat washers 25 x 1/4L tip washers 25 x 3/8 flat washers 15 x 3/8 tip washers 15 # screws 15 x 10# screws