ProX T-C6 Heavy Duty Dual "O" Clamp Trussing ConnectorThe ProX T C6 Dual "O" Clamp allows you to create with trussing in a whole new way! You can connect any combination of a single tube or box truss to extend your lighting rig into new looks. The ProX T C6 Dual "O" Clamp features two "O" clamps connected together that fit the standard 2" trussing tubes. Features Heavy Duty Dual Swivel Clamp For 2" (50mm) Tubing Minimum Tubing Diameter 1. 9" (48mm) Maximum Tubing Diameter 2. 008" (51mm) Max Load Capacity