SMC CRx Pulley Bindings The back system of this

The back system of this backpack is significantly shorter

Whisper light

high tenacity PES

The cam can be locked in open position so the device can be used as a simple pulley

One Guy Line Loop

SMC CRx Pulley Bindings The back system of thisThe new SMC CRx (Crevasse Rescue) Pulley is a full featured pulley specifically designed to be diminutive in size and weight, yet extremely strong and efficient. This new pulley is ideal for use in a 2 to 1 C system or as a 3 to 1 Z system and includes prusik minding capability. Ideal for rescue use by those who demand the lightest, strongest pulley available. Easy to use and easy to carry, this pulley also has color contrasting aluminum rotating side