Also see the CLIMBTECH CHEST ASCENDER fitting-8mm TO 13mm rope range

Petzl's Croll Chest Rope Clamp is designed for rope access and rescue professionals. The Croll chest rope clamp is very compact and lightweight. The rope channel is reinforced with stainless steel for greater durability.

For use in conjunction with the Petzl ASCENSION handled ascender for rope climbing. Can also be used with the BASIC ascender. Features: Angled attachment hole helps keep device properly aligned. Rectangular upper hole for the attachment of shoulder straps to improve positioning. Chrome-plated steel cam with inclined teeth to provide grip on wet, icy or muddy ropes. Self-cleaning slot on cam. Can be installed onto the rope one-handed (with ergonomic thumb catch.

Chrome-plated steel cam with angled teeth and self-cleaning slot securely grips rope, even in muddy or icy conditions.
Ergonomic thumb-catch allows one-handed installation and removal.
Angled attachment hole keeps the device properly aligned on the chest.
Upper hole is used to attach shoulder strap to keep the rope clamp in position.
Safety catch prevents cam from opening too far thus keeping the rope captured for added security.
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The CROLL May be added onto many of the Yates Voyager models of full body harness’ we stock as follows:

*part# YA-croll18= 7 inch 1/2 twisted sewn dynemma loop ( for attachement to XS, Small & medium harness’)

* part# YA-croll21 = 8 inch 1/2 twisted sewn dynemma loop ( for attachement to Large & XL harness’)

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A larger range of rope fit version is stocked as part#LM-CA13mm Fitting larger fire rescue lifelines over 11mm in diameter

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Technical specifications:

Weight: 85 g.
Certification - CE EN 567, CE EN 12874 type B
For use with single ropes 8 to 11 mm.
Aluminum body.
Chrome-plated steel cam.
Nylon thumb catch.

Installation video on a full body harness by Gravitec: https://youtu.be/niDV7MwPPNs