The bathtub drain is compatible with most bathtubs. This black bathtub drain with brass threaded adapter bushing is and suitable for bathtub sewage drain kits. Screw the brass adapter threaded bushing onto the bathtub drain to fit 1-1/2 inch coarse threads, and then unscrew it to fit 1-3/8 inch fine threads. The black bathtub drain pipe is made of 304 stainless steel, pure brass and ABS structure, which is sturdy and durable, with rust proof, anti-corrosion and waterproof properties, and is durable. Material: Stainless steel+copper colour: Black Package Contents: 1 x bathtub drain kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.