Petzl Pro Traxion Progress Capture Pulley with Swivel WinterSale While the 4-block set is

While the  4-block set is recommended

wind and cold

Main Fibres: Repreve® Fibre Lycra®

With a soft feel

Petzl Pro Traxion Progress Capture Pulley with Swivel WinterSale While the 4-block set isVery high efficiency, drop resistant progress capture pulley with swivelPossible to open, even when attached to the anchor, the PRO TRAXION progress capture pulley is designed for setting up haul systems. With a large diameter sheave mounted on sealed ball bearings and excellent efficiency, it is particularly suitable for hauling heavy loads. The swivel makes it easier to operate, allowing the pulley to be oriented under load and for direct connection