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ISC Reflex Mechanical Hitch The ISC Reflex Mechanical Hitch is a mid-line attachable device designed to provide precise and consistent friction con...
ISC Squirrel Flex Tether The ISC Squirrel Flex Tether is designed to deliver the optimal balance of rigidity and flexibility for SRT climbing with...
ISC Chipmunk Flex Tether The ISC Chipmunk Flex Tether is a compact addition to the ISC tether range, measuring 9 inches in length. At 3 inches shor...
ISC Rope Wrench - Device Only The ISC RP283 Rope Wrench is a specialised device developed to achieve optimal friction performance on 13 mm (1/2″) ...
ISC Rope Wrench With Double Tether The ISC Rope Wrench With Double Tether is designed to create an ‘S’ bend in the rope above the hitch cord, effec...
ISC APEX Rope Wrench - Device Only The ISC APEX Rope Wrench builds on the original ISC Rope Wrench, first introduced in 2013 and widely adopted for...
ISC APEX With Chipmunk FLEX Tether & Accessory Carabiner The ISC APEX With Chipmunk FLEX Tether & Accessory Carabiner is a compact SRT cli...
ISC APEX With Squirrel FLEX Tether & Accessory Carabiner The ISC APEX With Squirrel FLEX Tether & Accessory Carabiner is a complete SRT co...
ISC Double Tether The ISC Double Tether is a twin leg tether designed to straddle a cranked hitch-minding pulley. The top attachment features a rub...
ISC Rope Wrench Replacement Slic Pin The ISC Rope Wrench Replacement Slic Pin is a spare component designed for use with the ISC Rope Wrench. It al...
ISC Rope Wrench Replacement Tether Screw The ISC Rope Wrench Replacement Tether Screw is a spare component designed for use with the ISC Rope Wrenc...
Mechanical friction devices have become an increasingly popular part of modern arborist climbing systems, helping climbers improve efficiency, consistency and control when ascending, descending and working within the canopy. Used alongside climbing ropes, harnesses and connectors, these devices can reduce physical effort, improve rope management and streamline everyday tree climbing operations. Our collection includes mechanical friction devices suitable for a wide range of climbing techniques and professional arboricultural applications.
Unlike traditional friction hitch systems, mechanical devices use engineered components to manage friction and movement along the rope. Many arborists choose mechanical systems for their smooth operation, consistent performance and ease of adjustment while working at height. Depending on the device and climbing method, they can assist with ascent, work positioning, descent control and canopy movement, helping climbers maintain efficiency throughout the working day.
When selecting a mechanical friction device, it is important to consider rope compatibility, climbing style and intended application. Some devices are designed primarily for stationary rope systems (SRT), while others can be used in moving rope systems or offer versatility across multiple climbing techniques. Understanding rope diameter requirements, connection methods and system compatibility will help ensure safe and effective performance in the tree.
The best device will depend on how it is intended to be used. Climbers who regularly use SRT systems may prioritise efficient ascent and smooth descent control, while others may be looking for improved work positioning or easier movement throughout the canopy. Device weight, adjustability, maintenance requirements and compatibility with existing climbing equipment are all important considerations when building or upgrading a climbing system.
Mechanical friction devices are typically used alongside climbing ropes, tree climbing harnesses, carabiners, friction hitches and prusiks and other essential climbing equipment. Selecting compatible components throughout the system is essential for achieving optimal performance and maintaining safe working practices.
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