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Ascenders

Ascenders are mechanical devices for ascending on a rope. They are also called Jumars, after a popular brand.

Jumars perform the same functionality as friction knots but are stronger, faster, safer and less effort is needed to use them. A Jumar employs a cam which allows the device to slide freely in one direction but tightly grip the rope when pulled on in the opposite direction. To prevent a jumar from accidentally coming off the rope, a locking carabiner is used. The Jumar is first attached to the climber's harness by a piece of webbing or sling, and then the Jumar is clipped onto the rope and locked. Two ascenders are normally used to climb a fixed rope.

Displaying products 1 - 6 of 6 results
Rope Grab Petzl Rescuecender
Price: $92.99
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Rope Grab Petzl Rescuecender
Petzl Rescuscender/Grab: The Rescucender is a unique ascender that is designed to help prevent rope damage under shock loads. The cam has a set of shallow, slightly rounded teeth which will provide just enough friction against the rope.
Ascender Rope Clamp Petzl B17R
Price: $83.69
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Ascender Rope Clamp Petzl B17R
Right-handed version. For use on single rope from 8 mm to 13 mm in diameter. Designed for ascending single ropes. Handle with elastomer grip is comfortable and provides thermal insulation. Chrome-plated steel cam.
Ascender Rope Clamp Petzl B17L
Price: $83.69
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Ascender Rope Clamp Petzl B17L
Left-handed version. For use on single rope from 8 mm to 13 mm in diameter. Designed for ascending single ropes. Handle with elastomer grip is comfortable and provides thermal insulation. Chrome-plated steel cam.
Kong Lift Ascender Right
Price: $64.99
Kong Lift Ascender Right
Rope clamp for rope access, available in left and right versions. All the components are part of the latest generation of Kong blockers. Excellent ability to block out particularly on muddy and icy ropes thanks to the holes on the cam.
Kong Lift Ascender Left
Price: $64.99
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Kong Lift Ascender Left
Rope clamp for rope access, available in left and right versions. All the components are part of the latest generation of Kong blockers. Excellent ability to block out particularly on muddy and icy ropes thanks to the holes on the cam.
Gemtor Roof Anchor Reusable
Price: $32.69
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Gemtor Roof Anchor Reusable
"Hinge-style" zinc-plated steel anchor mounts at the peak of the roof and comes complete with a zinc-plated forged steel D-ring. Attaches to the roof using 16d (penny) double-headed nails or #8 x 3 1/2" long wood screws.
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