High strength multi-functional pulley for block-and-tackle systems and complex operations. Features a large wheel, main attachment hole that accommodates three carabiners, two secondary holes on the sides, and a large bucket. Prusik minding, the self-locking knot can be installed on both sides. Sealed ball bearings for high efficiency and intensive use and high speed. For ropes up to 16 mm Efficiency: 97% Aluminum alloy body and wheel, stainless steel axle Maximum Breaking Load: 46 kN Working Load Limit: 10 kN Width: 96mm Length: 149 mm Thickness: 31 mm Weight: 300 g Sealed ball bearings Recommended for : Rope Access, Arborists, Team Rescue