| Specification - Weight: 1.0kg (2.2lbs) - WLL1: 500kg (1100lbs) rated with SF 4:1 - WLL2: 300kg (660lbs) rated with SF 8:1 - 6061-T6 aluminum extrusion - for dia. 48~51mm tube (2“) - Swivel Freely - Wing nut - TUV certified