The industry standard 90 degree fixed coupler, consists of a pair of high tensile extruded aluminium clamps back to back, locked at 90 degrees that are suitable for 48mm to 51mm (1.89? – 2.01?) diameter tubes. It has a WLL of 750Kg and uses a pair of 50mm (1.97?) wide clamps. Ideal for trussing as it will not damage the cords.