Consists of a pair of high tensile extruded aluminium clamps back to back designed to swivel. Suitable for 60mm to 63mm (2.36" – 2.48") diameter tubes one end and 48mm to 51mm (1.89" – 2.01") tubes the other. It has a WLL of 500Kg and uses a pair of 50mm (1.97") wide clamps.