Compact double pulley for block-and-tackle systems. The large connection hole accommodates two carabiners. Prusik minding, the self-locking knot can be installed on both sides and both wheels. Sealed ball bearings for high efficiency and intensive use at high speed. Ropes up to 13 mm Maximum Breaking Load: 26 kN Working Load Limit: 7 kN Width: 61 mm Length: 102 mm Thickness: 49 mm Weight: 155 g Sealed Ball Bearings Recommended for : Rope Access, Arborists, Team Rescue