An aluminium clamp with a high tensile extruded aluminium lid that is suitable for 48mm to 51mm diameter tubes and is 50mm wide designed to accept a 28mm or 16mm spigot. Supplied with lynch pin for secondary locking, this Clamp is designed predominantly for use in the TV/Film industry and is often used with Drop Arms and Pantographs. Available in polished silver or powder coated black.