Twin Release

Disengageable, the TWIN RELEASE pulley-blocker is designed for setting up 4:1 pulley systems for confined space work and technical rescue operations.

The cam disengagement is made possible thanks to the ergonomic handle. The brake integrated into the mobile cheek plate and the main faceted sheave with single direction of rotation provide additional braking, offering better control when lowering heavy loads.

The two sheaves ensure excellent hauling efficiency. Handling is made easier thanks to the swivel, which allows the pulley to be oriented under load and to directly connect carabiners, ropes or slings.

• Double pulley-blocker with disengageable cam via handle:
  
  • ergonomic handle facilitating cam disengagement, 
  • brake integrated into the main moving side plate allowing comfortable and precise control when lowering heavy loads, 
  • cam lockable in open position facilitating slack take-up, 
  • smooth cam without teeth protecting the rope, allowing transition from lowering to hauling, and vice versa, without jerking. 
• Optimized efficiency for 4:1 pulley systems:
  • large diameter sheaves on sealed ball bearings to ensure excellent hauling efficiency, 
  • faceted main sheave with a single direction of rotation, providing very high hauling efficiency and adding friction zones with the rope for additional braking when lowering heavy loads (more information in the technical notice and in the technical advice at www.petzl.com), 
  • sheaves mounted in parallel and auxiliary attachment point allowing various types of complex pulley systems to be set up. 
• Ease of use:
  • triple-action opening of the moving side plates, easy and quick, even with gloves, 
  • red visual indicators when side plates are not locked, 
  • possibility of installing the rope while keeping the device connected to the anchor, 
  • hole in the handle allowing a remote control cord to be installed. 
• Easier handling thanks to the swivel:
  • allows the pulley to be oriented under load, 
  • can accommodate up to three carabiners, 
  • swivel and auxiliary attachment point allowing the use of ropes and slings to facilitate maneuvers.