ANDREW Heavy Duty Pipe to Pipe Clamp. Joins Two 2-3/8 OD to 5 OD round members. 5/8 x 14 threaded rod. Kit of 2. Hot dipped galvanized steel. This listing is for Pair. Description Joins Two 2-3/8 - 5 OD round members. 5/8 x 14 threaded rod. Maximum Mounting Diameter 5 in Minimum Mounting Diameter 2-3/8 in Qty/ Uom 1 Pair