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Description
A wearable multi-purpose rope device for 10.5 – 11 mm rope that handles hauling, lowering, descent, ascent and belay for rescue and rope-access teams.
The CLUTCH was developed jointly by CMC and Harken to let the technical rope professional do more with less equipment. It moves between anchor-based systems and personal use, so one device can serve a number of rigging tasks.
This 11 mm version in grey is made in the USA and is built for rope of 10.5 – 11 mm.
It carries NFPA General Use (G) certification as a descent control device and as a belay device for ø 10.5 – 11 mm rope, alongside ANSI/ASSE Z359.4-2013 and CE marking to EN 12841: 2024/C, EN 341: 2011/2A and EN 15151-1: 2012/8.
Key features
- One wearable tool — A single wearable tool covers hauling, controlled lowering, personal descent, ascending, belaying and Twin Tension Rope Systems.
- Replaces eight items — It takes the place of 8 pieces of traditional equipment: pulley, rescue rack, anchor plate, load release strap, prusik cord and 3 carabiners.
- Hauling efficiency — It delivers up to 38% higher efficiency in hauling and ascending than a cam-style device, which reduces changeovers.
- No load transfer — It changes between hauling and lowering, or between ascent and descent, without the load having to be transferred.
- Twin-tensioned lines — Main and belay lines can be twin-tensioned in mirrored or nested configurations (Double CLUTCH Technique).
- Double-latched side plate — Rope loading and unloading is secured by a double-latched side plate that is independent of the device's attachment point.
- Ratcheting stainless sheave — A stainless steel ratcheting and rotating sheave gives efficient, audible auto-locking progress capture.
- Anti-Panic and force limiting — Anti-Panic brake and force limiting features provide operational safety and overload protection.
- Integrated becket — An integrated becket allows direct connection of mechanical advantage components.
- Progressive control handle — The control handle has a large sweet spot for smooth, progressive lowering and descent control.
Typical applications
- Hauling and controlled lowering in rescue systems
- Personal descent and ascent in rope access work
- Belaying and twin-tensioned main and belay line set-ups
Technical specifications
| Colour | Grey |
| Rope size | 10.5 - 11 mm (7/16 in) |
| Dimensions | 208 × 112 × 47 mm (8.2 × 4.4 × 1.9 in) |
| Weight | 836 g (1.84 lb) |
| Max load | Up to 272 kg (600 lb) |
| Minimum breaking strength (3 sigma) | Pulley: 40 kN (8,992 lbf) / becket: 22 kN (4,946 lbf) |
| Certifications | NFPA (G); ANSI/Asse; CE (EN standards) |
In the box
- 1 × CLUTCH, 11 mm, Grey
Model information
| Brand | CMC |
| Model | CLUTCH, 11 mm, Grey |
| MPN | 335011 |
