Sinkology SDT101-AC Classic 1-1/2 In. Od Brass Lift & Turn Bathtub Drain And Overflow Kit In Oil-Rubbed Bronze Finish Custom bronze finish, designed to look beautiful with copper bathtubs 1-1/2 in. Brass tubing, connects to 1-1/2 in. Abs pvc and copper pipe Includes, lift and turn plug, floor flange, gaskets, overflow plate and all hardware Complies with nsf 61-9 standard, cupc and upc approved 1.25 outside diameter connection