Gibbs Rescue Ascender, 1/2" Aluminum, Spring Loaded Rescue Ascender (602012F)
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Warning: To be used on Life Safety Kernmantle ropes only! Do not use on steel cable!

Configurations:

Cam type - Forged
Strength - 5,000 lbf.
Weight - 9.2 oz.
Rating - General Use
Rope Diameter - 7/16" - 1/2"