A compact and lightweight pulley with movable flanges and a large connection point that accommodates two carabiners. Prusik minding, the self-locking knot can be installed on both sides. Self-lubricated bushings are perfect for light applications at low speed. Efficiency: 80% Aluminum alloy body and wheel, stainless steel axle Ropes up to 13 mm Maximum Breaking Load: 24 kN Working Load Limit: 4 kN Width: 61 mm Length: 78 mm Thickness: 29 mm Weight: 100 g Self Lubricating Bushing Recommended for : General Use, Self Rescue