【Installation Dimensions】: Pop up drain cover diameter: 2.75 inches, height (pop up open): 3.95 inches, height (pop up closed): 3.60 inches, external thread diameter: 1-7/8 inches, fits 1-1/2 inch drains, compatible with NPSM bathtub drains, suitable for most freestanding bathtubs. 【Durable Material】: The pop-up mechanism is made of solid brass with a 304 stainless steel spring for long life. The casing is made of solid brass, which is not easily deformed. 【Easy to Use】: Our freestanding bathtub drain has a pop-up design and can be operated manually without bending down. Simply press with your toes to control the bathtub's drainage and water retention. 【Leak-proof Design】 This freestanding bathtub drain has a leak-proof design and is sealed with two layers of high-quality rubber gasket. Simply tighten the nut; no glue is needed, but the seal is tighter. Two drainage holes for easy drainage. 【Product Contents】 Our freestanding bathtub drain kit includes a stopper, a bathtub drain, a pop-up bolt, and two washers. Show more