This listing is for a Pack of 1 Important Sizing Note - Most plumbing products are measured using BSP thread dimensions which measure 1/4 inch larger than that stated, therefore this 1 1/2 inch BSP thread actually measures 1 3/4 Inchs in diameter. Flanges and overflow and command knob made from high quality chrome plated brass This main body of this WHP05CP bath waste is manufactured from high quality polypropylene fixed on the topside of the bath with a polished chome plated brass mushroom plug operated from a diameter 70mm polished chrome plated brass turn knob on the overflow grill. The installation includes both the waste grill and pop up plug with a flange diameter of 70mm connected externally by a flexible pipe to the chrome plated brass overflow grill and integrated pop up plug turn knob. The waste trap connection is via a 1 1/2" BSP Thread which measures approximately 48mm diameter, Weight: 1.433004703 Pounds, Manufacturer: Macdee