Petzl Micro Traxion Pulley High-efficiency Progress Capture Pulley

The cam can be locked in the open position so the device can be used as a simple pulley.

Petzl’s Micro Traxion is a compact, lightweight, efficient, self-jamming pulley with three distinct modes of operation pulley, progress capture pulley, ascender making it the ideal companion for extended vertical adventures. Use it for hauling light loads, self-belay, ascending rope, and self-rescue. The aluminum sheave is mounted on a self-lubricating bearing. A trigger cam with teeth and a cleaning slot works even on dirty or icy ropes.