High strength multifunctional 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 becket. For ropes up to 16 mm. Prusik minding, the self-locking knot can be installed on both sides. Self-lubricated bushings are perfect for light applications at low speed. Efficiency: 90%. Aluminum alloy body and wheel, stainless steel axle. Made outside of the US.