The Doughty T57102 90 Degree Fixed Coupler is an industry-standard solution for securing two tubes at a fixed right angle. It consists of two high-tensile extruded aluminium clamps, locked back-to-back at 90 degrees, making it ideal for trussing applications without damaging the cords. Designed to fit 48mm to 51mm (1.89″ – 2.01″) diameter tubes, this coupler offers a Working Load Limit (WLL) of 750kg. Each clamp is 50mm (1.97″) wide, ensuring a strong and stable connection. Available in polished silver or powder-coated black—see T57112 for the black version.