Petzl - Twin P65A High Efficient Double Prusik Pulley.
The Twin P65A High Efficient Double Prusik Pulley is ahigh-strength double pulley designed for rescue professionals to set up progress capture systems of high mechanical advantage.
Special side plates designed for use with a Prusik friction hitch in lightweight progress capture systems
Parallel mounted sheaves and auxiliary attachment point for creating different types of hauling systems, including the most complex
Large diameter sheaves mounted on sealed ball bearings for excellent efficiency
Accepts up to three carabiners to facilitate rope maneuvers