Petzl - Twin Release Pulley

The Twin Release is a progress capture pulley with a releasable cam with ergonomic handle and top mounted swivel for correct orientation of the load designed for rescue situations, hauling, or controlled lowering of heavy loads. Other features include:

• cam can be locked in the open position to aid feeding slack 
• ergonomic triple action opening of the side gates 
• red visual warning mark to signify the gate is open.