rubber sealing gaskets, designed specifically for toilet tank bolts. These conical-shaped rubber seals ensure a watertight fit, preventing leaks and maintaining the integrity of your toilet system. Ideal for both DIY enthusiasts plumbers, these gaskets are easy to install and provide a reliable solution for toilet tank repairs. Features -Color:Black -Material:Rubber -Size:2.70X2.70X0.70cm/1.06X1.06X0.28in -Material: made from durable rubber, these seals offer excellent sealing and durability, ensuring a reliable solution for your needs -Conical design: the conical shape of the washers allows them to better adapt to different shapes of tank bolts, ensuring a sealing effect and preventing leaks -Versatile use: suitable for sealing various tanks, pipes, and valves, these washers can be widely used in household, industrial, and other applications -Easy installation: these washers are simple to use and install. just place the seal on the bolt, and no additional tools are required -Quantity: this set is more than enough to meet your daily sealing needs, providing a solution for multiple applications Package list: 10pcs screw sealing ring