These ascenders are designed to be used with 11-13 mm rope. Gibbs ascenders are different then other ascenders, requiring two hands and a bit more involvement to install and remove from the rope. They are designed not to slip in extreme conditions, such as extreme mud and ice.
This #2 sport model is intended for mountain climbers and cavers climbing rope and hauling packs. It has a aluminum shell & utilizes a spring loaded cam system to keep the ascender in tension when climbing rope.
Warning: GIBBS ASCENDERS #1 and #2 will cut a new 1/2″ nylon rope at 2000 lbs. Not for use on Steel Cable or wire rope. NEVER use as a rope grab device or for fall arrest, you will cut your rope!
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