PETZL - Kootenay, Knot-Passing Pulley,Petzl,P67" /> INTENDED USE: High clearance rope channel allows passage of joining knots (long raise or Tyrolean traverse on two ropes). EFFICIENT: Large diameter sheave mounted on sealed ball bearings for excellent efficiency. MULTIUSE: Locking pins on the sheave allow pulley to be used as an anchor. WEIGHT: The KOOTENAY weighs 1390 grams. STRENGTH: Maximum working load is 10 kN.