RescueToolMan.com and Howell Rescue Systems, Inc.

Gibbs Ascenders provide excellent performance under the most adverse conditions, even with muddy or iced ropes. They are widely used by rescue teams as mechanical Prusiks in systems and rappels. The spring-loaded model will support its own weight when there is no load on the cam. Gibbs Ascenders feature a high-quality forged cam, which provides a product with no cast parts. Weight: approx. 6 oz. for 1/2 inch size. The 1/2 inch ascenders (Models 340004 and 340006) have undergone several rescue performance improving changes. The shell bottom has been modified creating a curved interface, which improves the holding power. The shell thickness has been increased by 50%.