New to the Event Lighting clamps range is the the CLAMPE38, which is a variable diameter clamp suitable for 25, 38 or 50mm (1. 1.5 or 2 inch) trussing or pipe. Made from heavy duty epoxy, the clamp provides grip onto tubes and pipes with no chance of scratching. The inserts are easy to change, and the clamp is rated at 25kg.