90 Degree Fixed Coupler - Lightweight The Lightweight 90 Degree Fixed Coupler weighs 43% less than a standard one, perfectly suitable for lightweight installation. Like the standard coupler, it provides a firm and fast fixing between two perpendicular bars, designed to fit 48mm to 51mm diameter tube. It is manufactured from high tensile Aluminium Extrusion. The coupler is specifically designed to attach to round tubes or truss chords and suspend equipment and luminaries. Broadly applicable in the theatre, film, TV and photographic industries. Lightweight Swivel and Parallel versions are available. For any inquiries, please contact us via chat. Spec Sheet - User Manual - Cert Specifications: SWL: 500kg Tube Diameters: 48mm to 51mm Width: 50mm Tube Centres: 84mm Weight: 0.76kg Fixing: Slotted to hold captive an M12 hexagon nut or bolt head Material: Aluminum Finish: Available in Black or Polished Aluminium finish