Description Singing Rock Pulley Extra Roll Description Durable and lightweight single pulley for industrial use and hauling systems For use with static and dynamic textile ropes Sealed ball bearing and large diameter of the sheave provide great efficiency 94% Designed and optimised for use with a Prusik friction knot or any clamps Top attachment point accepts up to three carabiners Formed side plates provides protection of rope against contact with a surrounding Fixed-by-forging sheave and anti dust cover of ball bearing provides great lifespan Side plate holes enable cleaning of the ball-bearing surrounding Unique production number marking Specifications Weight: 257 g (9.1 oz) Material: sheave and side plates – aluminum alloy, bearing – steel, axle – stainless steel Strength: 32 kN Max. diameter of rope: 13 mm Bearing: sealed ball Working load: 2 x 3 kN
