The rubber sealing gaskets in this kit are for replacing worn-out or seals in your toilet tank. Their conical shape allows for a snug fit around the bolts, ensuring no water escapes from the tank. Simply remove the old gaskets, clean the area, and install the new rubber seals to restore your toilet's functionality. These gaskets are compatible with most standard toilet tanks. Features -Color:Black -Material:Rubber -Size:2.70X2.70X0.70cm/1.06X1.06X0.28in -Rubber construction: crafted from rubber, these seals provide excellent sealing capabilities and are built to last, ensuring longterm reliability -Adaptable conical shape: the conical design of these washers allows them to fit various tank bolt shapes more effectively, enhancing the sealing and preventing leaks -Wide application range: these washers are ideal for sealing a variety of tanks, pipes, and valves, making them suitable for use in both household and industrial settings -Userfriendly installation: designed for ease of use, these washers can be easily installed without the need for additional tools, simplifying the sealing process -Supply:offering a generous quantity to cover your everyday sealing requirements, making it a practical choice Package list: 5 pcs x 10pcs screw sealing ring