This Westbrass Pedestal Lavatory Kit with 5/8 in. (1/2 in. copper compression) Round, lever handle angle stops for easy operation, 3/8 in. x 20 in. bullnose annealed copper risers, and 1-1/4 in. x 1-1/4 in. modern cylindrical P-Trap with integrated clean-out and matching low profile flange, is perfect for dressing up an exposed or console style sink. The angle stops fits 1/2 in. copper pipe (5/8 in. Nominal).