A high tensile extruded aluminium trigger clamp that is suitable for 48mm to 51mm diameter tubes. Has a WLL of 200Kg and is 30mm wide, factory fitted with a 29mm Spigot receiver designed to accept a 28mm diameter spigot. Supplied with lynch pin for secondary locking allowing 360 degree rotation, this clamp is designed predominantly for use in the TV/Film industry and is often used with Drop Arms and Pantographs.