The main body is made of brass as a whole, which is made of forgings.The special water hole design of the drainer, when the water is full to the overflow hole of the basin, the water flows directly from the overflow hole into the drainer hole to avoid water leakage.Multi-layer vacuum plating on the surface has high strength, corrosion resistance, no rust and no fading.No tools required, free-hand installation.All copper solid bounce core.Bounce as you like, start the water with one button, and easily remove the cover for cleaning.About size: Due to different factory batches, different measurement tools may measure the size and description of the difference, please refer to the actual situation, the error range is about 1-3 mm, and the photo is deemed to be accepted.Package Included:1*Filter