The industry standard swivel coupler, consists of a pair of high tensile extruded aluminium clamps back to back and designed to swivel 360 degrees, that are suitable for 48mm to 51mm (1.89” – 2.01”)...

The industry standard 90 degree fixed coupler, consists of a pair of high tensile extruded aluminium clamps back to back, locked at 90 degrees that are suitable for 48mm to 51mm (1.89″ – 2.01″) diameter...