Replacement cam for the ART positioner.
The12-13mm cam (S Type) is for wire-core lanyards.
For 11-13mm cam is for traditional rope lanyards. CLICK HERE
Gibbs Ascender Model #3B 7/16" to 1/2" (11mm to 13mm) Rope Spring Loaded or Free Running Forged Cam 3/16" Aluminum Shell Breaking Strength 5400 lbs The #3B Ascender is intended for...