The CMC CLUTCH® is a revolutionary multi-purpose rope rescue and rope access device designed to streamline operations by combining hauling, lowering, ascending, descending, belaying, and load management functions into a single piece of equipment. Developed through a collaboration between CMC and Harken, the CLUTCH delivers exceptional efficiency, control, and versatility for technical rescue professionals, rope access technicians, and industrial safety teams.

Engineered to move seamlessly between anchor-based systems and personal use, the CLUTCH reduces equipment requirements, minimizes changeovers, and simplifies training. Its innovative design combines the functionality of multiple traditional devices while providing smooth operation under heavy loads. With advanced safety features, efficient progress capture, and compatibility with a wide range of rescue systems, the CLUTCH enables technical rope professionals to accomplish more with less equipment.

Features

• Multi-purpose device for hauling, lowering, ascending, descending, belaying, and Twin Tension Rope Systems
• Delivers up to 38% greater hauling and ascending efficiency than traditional cam-style devices
• Instantly transitions between hauling and lowering or ascent and descent without load transfers
• Functions in both anchor-based systems and personal-use applications
• Supports mirrored and nested Twin Tension Rope System configurations (Double CLUTCH Technique)
• Replaces multiple traditional rescue components including pulleys, rescue racks, anchor plates, load release straps, prusik cords, and carabiners
• Stainless steel ratcheting and rotating sheave provides efficient auto-locking progress capture
• Double-latched side plate allows secure rope loading and unloading independent of attachment point
• Anti-Panic brake and force-limiting features enhance operational safety
• Machined aluminum chassis with stainless steel wear guards for durability and reduced weight
• Integrated becket for direct connection of mechanical advantage systems
• Ergonomic control handle provides smooth and progressive lowering and descent control
• Included side plate screw allows creation of closed rope systems for rapid deployment
• Patented design
• Made in the USA

Specifications

• Manufacturer: CMC
• Product Type: Multi-Purpose Rescue and Rope Access Device
• Maximum Working Load: 600 lb (272 kg)
• Dimensions: 8.2" x 4.4" x 1.9" (208 x 112 x 47 mm)
• Pulley MBS: 40 kN (8,992 lbf)
• Becket MBS: 22 kN (4,946 lbf)

Available Variants

11 mm Gray CLUTCH® – Item #335011

• Color: Gray
• Compatible Rope Diameter: 10.5–11 mm (7/16")
• Weight: 1.84 lb (836 g)
• NFPA General Use (G) Rated
• ANSI/ASSE Z359.4-2013 Certified
• CE Certified
• EN 12841:2024/C
• EN 341:2011/2A
• EN 15151-1:2012/8
• Compatible with CMC G11™ Lifeline for NFPA G-Rated systems

13 mm Red CLUTCH® – Item #335013

• Color: Red
• Compatible Rope Diameter: 12.5–13 mm (1/2")
• Weight: 1.80 lb (816 g)
• NFPA General Use (G) Rated
• ANSI/ASSE Z359.4-2013 Certified