Doughty Titan Quick Trigger® Hook Clamp This Doughty Titan Quick Trigger® Hook Clamp has been specifically designed to fit tubes with larger diameters of 1.9'' - 3.1''. Supplied with a Wing Nut and M12 Bolt Fixing, this Hook Clamp is extremely useful for hanging valuable luminaires safely and easily. This truss clamp is constructed from high tensile aluminum and finished in either polished aluminum or black powder coated. It is also fitted with a large Easy-grip handle for ease of use. Downloads: User Manual Key Features: Designed to fit larger diameter tubes from 1.9'' to 3.1'' Constructed from high tensile aluminum for strength and durability Available in polished aluminum or black powder coated finish Equipped with a large Easy-grip handle for effortless operation Includes M12 Wing Nut and Bolt for secure mounting Specifications: SWL: 220 lbs Tube Diameters: 1.9'' - 3.1'' Width: 1.18'' Fixing: M12 Wing Nut & Bolt Weight: 1.7 lbs References: Material: Aluminum Finish: Polished Aluminum or Black Powder Coated Manufacturer: Doughty Engineering (ESTA & PLASA Member) For any inquiries, please contact us via chat.