High strength, high efficiency double Prusik pulley. Special side plates designed for use with a Prusik friction hitch in progress capture systems. Parallel mounted sheaves and auxiliary attachment point for creating different types of hauling systems, including the most complex. Large diameter sheaves mounted on sealed ball bearings for excellent efficiency. Accepts up to three carabiners to facilitate use. Use with ropes from 5/16″ to 1/2″ diameter. Sheave diameter: 2″. Pulley working load: 2,697 lbs. Weight: 15.87 oz.