Material Calculator Petzl Rollclip Pulley Carabiner Triact Lock ITEM #4033 SKU #39548 GATE OPENING: 7/8 in (22 mm) MATERIAL: Aluminum ROPE CAPACITY: 1/2 in (13 mm) TENSILE STRENGTH: 4,496 lbs (20kN) WLL: 899.2 lbs (4 kN) Product Options: each $51.95 Adjust Qty Add to Cart