Made of durable nylon and abrasion-resistant for minimum weight and corrosion resistance. The design of the beak snap allows attachment to the loop polar without having to manually open the bolt. The point of attachment to the release lines of the pins.
The boxes with the pulley allen are available with ball bearings or normal, the choice between material pulley, acetal resin, die-cast aluminium of high quality or stainless steel high load. They are suited to all types of systems, halyards, systems, line of command and general handling. The range of Low-profile includes the unique cage and retainer Allen designed to deal with high loads of modern facilities.
The lock pulleys A4808 high voltage has a function of opening rotation for better access when changing halyards, etc