Designed for rope handling in mountaineering, rescue and self-rescue situations, Climbing Technology 's ROLLNLOCK is an ultra-lightweight pulley block.
Compatible with rope diameters from 8 to 13 mm, this pulley can also operate on wet or dirty ropes. Comprising a spring-loaded cam for use as a rope-climbing block, it also features a toggle cam with stop device for use as a pulley.
This climbing accessory can also be used to recover and lift light loads.