TUB DRAIN ASSEMBLY LINKAGE: Designed to repair and replace a worn-out Trip-lever drain assembly linkage that operates the opening and closing of the Trip Lever Bath Tub Waste and Overflow Drain. Fit Standard Trip Lever Bath Tub Drain: The height can be adjusted from 13-1/4” to 15-1/4” inches, Can fit 14” to 16” Standard Trip Lever Bath Tub Drain. FIT MORE HIGHER TRIP LEVER BATH TUB DRAIN: With an Extension linkage rod , Do it yourself to add the 8” Extension Rod onto the Original Linkage assembly so that can extend the length of the Linkage assembly, can fit 22 Inch to 24 Inch height Trip Lever Bath Tube. DIAMETER: 1-5/16” dimeter, specifically made to repair trip-lever drain assemblies. BUILT TO LAST: The brass construction that provides strength and durability and will endure the rigors of every day use.