Here's what other sites are saying:
A mountaineering and alpine climbing essential, this lightweight pulley assists in crevasse rescue systems and gear-hauling setups.
On Sale. Camp USA Pulley Small Mobile FEATURES of the Camp USA Pulley Small Mobile Rotating side plates Brass bushing Aluminum alloy sheave
The CAMP Small mobile Pulley With Ball Bearings is a compact aluminum pulley with rotating side plates for easy placement anywhere along the rope. Ball bearings reduce friction and increase efficiency of hauling systems.Great for setting up hauling systems Steel Ball BearingsAluminum sheavePermanent rivet never loosens.
CAMP Large Mobile Pulley
CAMP Large Mobile Double Pulley
CAMP Mobile Pulley Ball Bearing
CAMP Pulley Small Fixed
$20 - $27
Petzl Pro Traxion
$135 - $389
Omega Pacific REVO Compact Pulley
CAMP Wing 2 Arms
Singing Rock Pulley Twin