Tandem Speed Pulley by Petzl217984 Capabilities: Stainless steel sheaves for outstanding sturdiness Sheaves mounted on sealed ball bearings for sustained speed, independent of the bodyweight of the individual, temperature, or humidity Optimum allowable rate: 20 m-s Attachment point accepts up to three carabiners to facilitate use For use on cable (optimum diameter of 12 mm) and on rope (highest diameter of thirteen mm) Specs: Excess weight: 95 ounces Operating load: ten kN Breaking power: 24 kN (more…)

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