Titan Quick Trigger® Hook Clamp - Doughty Engineering This Doughty Clamp has been specifically designed to fit tubes with larger diameters. Supplied with a Wing Nut and M12 Bolt Fixing, it is an extremely useful clamp for hanging valuable luminaries safety and easily. It is constructed from high tensile aluminum and finished in either polished aluminum or black powder coated. A large Easy-grip handle is fitted for ease of use. For any inquiries, please contact us via chat. Specifications : SWL: 100 Kg Tube Diameters: 48mm to 80mm Width: 30mm Fixing: M12 Wing Nut & Bolt Weight: 0.77 Kg Material: Aluminum Finish: Polished Aluminum or Black Powder Coated Other Quick Trigger Clamps: Without Fixings: 25-38mm, 38-51mm (Standard/ Slimline), 48-80mm With Fixings (bolt & wing nut): 38-51mm (Standard/ Slimline), 48-80mm With an Eye: 38-51mm (Standard/ Slimline), 48-80mm With a Half Connector: 38-51mm With a 29mm Receiver: 38-51mm (Standard/ Slimline), 48-80mm