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and Twin Tension Rope Systems
75 in) diameter sheave pulley
reducing length and pieces of equipment in the rigging system
The ultra-light carabiner offers top performance even in snow and ice and has less gate flutter and shutter
Replacement Spools for the Petzl Simple Descender Professional Carabiner and Twin Tension Rope SystemsStainless steel replacement spools pulleys for the venerable Petzl Simple descender. Made of 316 stainless steel, these replacement spools last 6 10x as long as the stock 6061 Aluminum spools. They offer reduced friction and a much smoother ride. We recommend replacing only the bottom spool, which sees the most wearreplacing both is unnecessary. The reduced friction of these spools is really what makes them worth the extra costthey are quite smooth
