Lightweight and low profile professional coupler, developed for installations where load capacities of up to 1,100lbs (500kg) are required International TUV safety approval rating Allows for full 360 degree movement - for quick and easy interconnection for truss, pipes or bars Fits O.D. 48-51mm tube High tensile 6061-T6 aluminum SWL: 1100lbs (500kg) - Polished Silver The Swivel Coupler is a lightweight and low profile professional coupler, constructed from high tensile aluminum extrusion. It has been developed for installations where load capacities of up to 1,100lbs (500kg) are required. The KUPO professional couplers combine strength and durability with a high degree of safety. The Swivel Coupler is designed to fit tubes with diameters between 48mm-51mm. For quick and easy interconnection for truss, pipes or bars. Allows for a full 360 degreed of movement. A drift pin is also supplied for fixing in a 90 degree configuration. It has a polished silver finish. Specifications Weight: 2.2lb / 1kg Color: Silver Product Height (in): 1.97in Product Height (cm): 5.01cm Product Length (in): 8.11in Product Length (cm): 20.6cm Product Width (in): 4.27in Product Width (cm): 10.85cm Product Weight (lb): 2.2lb Product Weight (kg): 1.0kg Maximum Payload Capacity (lb): 1100.0lb Maximum Payload Capacity (kg): 500.0kg Maximum Jaw Diameter (in): in Minimum Jaw Diameter (in): 1.9in Maximum Jaw Diameter (mm): 51.0mm Minimum Jaw Diameter (mm): 48.0mm Primary Material: Aluminum Warranty: Limited Two-Year Warranty