Adjustable truss adaptor With a O 55 mm insertion spigot Net Weight: 3.600 Kg Adjustable: Yes Swivelling: Yes For trusses: From 250 to 400 mm Ending: O 55 mm spigot Couplers: For tubes with an external diameter of 45 mm to 52 mm. WLL: 500 kg Colour: Black Material: Structure: Steel / Coupler: Aluminium Suitable for: ELC-770 & ELC-780