Grivel Master Mono Belayer Climbing Belay Device bikepacking These swivel omni pulleys (blocks)

These swivel omni pulleys (blocks) are hewn from a solid "block" of high strength aluminum and are engineered with great pride pulleys including the 8mm restraint cord

Captive bar option for security

Tuck-away metal hanger & carry handle

Abrasion- Resistant Cordura® at Inner Leg and Boot

The Omni-Block combines a swivel and pulley into one tool

Grivel Master Mono Belayer Climbing Belay Device bikepacking These swivel omni pulleys (blocks)Minimal belay rappel device for one rope. Master Mono was created for belaying and rappelling on a single rope. It is a versatile, dynamic and reliable tool to minimize the force transmitted to the anchors, the belay and the wear and tear over time of the rope. Its body has been designed with a series of holes on the sides to reduce weight, but above all to disperse the heat and consequently not to overheat the rope that passes into it. As with all