Here's what other sites are saying:
Petzl Ultra Legere Pulley FEATURES of the Petzl Ultra Legere Pulley Size and weight reduced to an absolute minimum to make the lightest pulley available For use with a symmetrically shaped carabiner with rope no thicker than 13 mm in diameter The SPECS of the Petzl Ultra Legere Pulley Weight: 10 g Rope Diameter: Minimum: 7 mm, Maximum: 13 mm Working Load: 1 kN Case Quantity: 30 Nylon ALL CLIMBING SALES ARE FINAL.
The Petzl Ultralegere pulley keeps weight to an absolute minimum and comes in handy for occasional use.
Description of Petzl Ultralegere PulleyThe Ultralegere is a simple nylon sheave that can be installed on a carabiner.FeaturesSize and weight reduced to an absolute minimum to the make lightest pulley availableFor use with a symmetrically shaped carabiner with rope no thicker than 13 mm in diameterRope diameter 7-13 mmWeight 10 g3-year guaranteeMaterial nylonWorking load 1 kN
- US Outdoor Store
The Petzl Ultralegere Pulley is a nylon pulley designed exclusive for emergency use.