A compact fixed side pulley for general use. Good for hauling and personal rescue systems. 
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Petzl P21SPE Tandem Speed Pulley 
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Swing side pulley fitted with ball-bearings. Specially designed for heavy loads and intensive use. The Rescue has large attachment hole which can accept up to three carabiners. 
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The Minder approaches the frictionless ideal: precision bearings and a large diameter sheave combine to yield an efficiency of 97%. The unique shape of the Minder allows for use of Prusik knots for progress capture and the top hole will accept 3 large res 
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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. Large diameter sheaves mounted on sealed ball bearing 
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