Petzl Fixe Pulley Black. A pulley with fixed side plates the Petzl Fixe Aluminum Pulley offers a good balance between weight and strength. Specifications for Petzl Fixe Pulley: Manufacturer: Petzl Size: One Size Fabric/Material: Aluminum side plates aluminum sheave mounted on self-lubricating bushings Weight: 3.17 oz Breaking Strength: 23 kN Rope Capacity: 7-13 mm Working Load Weight: 5 kN Pulley Type: Single Features of Petzl Fixe Pulley Fixed side plates allow quick installation and coupling with a rope clamp Designed for hauling systems and deviations Sheave mounted on self-lubricating bushings for good efficiency For use with OK or WILLIAM type carabiner Package Contents: Petzl Fixe Pulley Petzl P006AA01: Fixe Pulley Black