Swivel double coupler for 50 mm tube, maximum load WLL 800 kg Maximum load BGV C1 (8-fold):400 kg Max. load WLL (4-fold):800 kg Tube diameter sector:45 - 50 mm Material:Aluminum Color:Black Mounting screw:M10 Dimensions:Length: 26 cm Width: 5 cm Depth: 11,50 cm Height: 5 cm Weight:1,34 kg