This rough-in kit is for use with 3-hole, single handle deck mount Roman tub faucets with a hand shower. Trim kit is sold separately and is required to complete the unit. DELTA®, R3708-PX, Tub Fixed Mount, Rough-In, Specifications: 1-1/2 inch Connection Size, Brass, 33.75 in H x 2.5 in W x 3.25 in L Dimensions