The Truss Adapter Coupler is a lightweight and low profile professional coupler, constructed from high tensile aluminum extrusion. It has been developed for installations where load capacities of up to 440 lbs (200kg) are required. The KUPO professional couplers combine strength and durability with a high degree of safety. The Truss Adapter Coupler is suitable for all triangular / square truss sections. It has a polished silver finish.