Make sure your bathroom sink drain hole size there is no hole diameter, which is suitable for every bathroom sink, but 3.81 cm is the general size of the bathroom sink drain hole. Some have a slightly narrower opening, 1 1/4 inches (approximately 3.2 cm), and others at 1 5/8 inches (approximately 3.8 cm). is suitable for sink holes with a diameter of 1.08 inches to 1.49 inches. Drainage that is no longer clogged-usually you face a very common problem: partial clogging. Although frustrating, slow sink drainage is easy enough for most homeowners to themselves. The culprit is usually hair that has accumulated on the drainage wall or a viscous mixture of thick shaving foam. The upgraded -up drain plug has an anti-clogging basket inside to prevent the sewer from sticking to the hair. In addition, 2 sizes of rubber rings are included to prevent water leakage. Advanced material drain plugs, advanced design-using beautiful core shape design, can be used for bathtub drain plugs. This basin -up drain filter is mainly made of high-quality stainless steel and brass materials. Strong and , anti-rust, anti-cracking and explosion-proof. The overall shape has good rebound strength, and it can be quickly sealed and drained with only one press. Easy to install-Anyone can install the -up drain pipe. Due to its simple structure, no tools are needed, just take out the old drain pipe and insert it. Simply push the drain cover down to close and seal, push it again to open and drain. You can turn the upper cover counterclockwise to unscrew and remove it. No need to worry about buying-the kit includes 1 drain plug and 2 rubber washers. When the sink hole is too large, the drain pipe is sealed into the drain pipe to prevent water leakage and prevent slippage. It is suitable for any basin, bathroom sinkdrain pipe or shower bathtub drain pipe without overflow. size:6CM Material:Stainless steel colour:Silver Package Contents: 1 x Stainless steel bounce core 2 x rubber washers Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.