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Petzl ZigZag PLUS The Petzl ZigZag PLUS is a mechanical Prusik designed for efficient movement and precise control during professional tree climbin...
Petzl ZigZag The Petzl ZigZag is a mechanical Prusik designed to support efficient, controlled movement when working in the tree canopy. Built arou...
Petzl Chicane The Petzl Chicane is an auxiliary braking device designed to allow ZIGZAG and ZIGZAG PLUS mechanical Prusiks to be used safely and ef...
Buckingham Throttle Mechanical Rope Climbing Device The Buckingham Throttle is a versatile mechanical rope climbing device designed for professiona...
Notch Rope Runner Vertec Evo The Notch Rope Runner Vertec Evo is a next-generation mechanical climbing and work positioning device, developed in co...
Notch Magneato Chest Harness Attachment The Notch Magneato is a magnetic chest harness attachment designed specifically for use with the Rope Runne...
Rock Exotica Akimbo Belay Device The Rock Exotica Akimbo Belay Device is a versatile and efficient climbing tool designed for arborists and rope ac...
Rock Exotica Akimbo² Belay Device The Rock Exotica Akimbo² Belay Device is a highly versatile climbing tool designed for professional arborists see...
ART BlackBird The ART BlackBird is a multifunctional ascent and descent device designed for use on both single rope systems (SRS/SRT) and moving ro...
ART SpiderJack 2.1 Dyneema The ART SpiderJack 2.1 Dyneema is based on the SpiderJack 2.1 Basic and comes pre-fitted with the Dyneema Kit for enhanc...
ART SpiderJack 3 The ART SpiderJack 3 is a multifunctional, self-blocking rope control device designed for use on a running double rope system. Th...
ART Lockjack 2 Basic The ART Lockjack 2 Basic is a patented, multifunctional ascent and descent device designed for use on running double rope syst...
ART Lockjack 2 with Swivel The ART Lockjack 2 with Swivel is a manageable, efficient and easily operable device for ascent and descent in tree clim...
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...
FTC Freexion Friction Device - Kit The FTC Freexion Friction Device - Kit is a compact energy diffusion system designed to allow controlled progres...
FTC Freexion Friction Device - Device & Tether The FTC Freexion Friction Device is an energy diffusion system developed to allow progression wi...
FTC Freexion Tether for Friction Device The FTC Freexion Tether for Friction Device is a spare tether developed specifically for use with the FTC F...
FTC Freexion Eye to Eye Hitch Cord for Friction Device The FTC Freexion Eye to Eye Hitch Cord for Friction Device is a spare hitch cord developed s...
ART Dyneema Kit for SpiderJack 2 The ART Dyneema Kit for SpiderJack 2 is a replacement and upgrade kit supplied with a Dyneema sling and all requir...
ART BlackBird Cam A The ART BlackBird Cam A is a replacement cam designed for use with the BlackBird rope safety device. This spare component allow...
ART BlackBird Cam B The ART BlackBird Cam B is a replacement cam designed for use with the BlackBird rope safety device. This spare component allow...
ART LockJack Clutch 11-12mm The ART LockJack Clutch 11-12mm is a replacement clutch designed for the LockJack rope control device. It is intended f...
ART LockJack Clutch 12-13mm The ART LockJack Clutch 12-13mm is a replacement clutch designed for the LockJack rope control device. It is intended f...
ART SpiderJack 3 Clutch A The ART SpiderJack 3 Clutch A is a replacement friction clutch for the SpiderJack 3 rope control device. It is intended f...
ART SpiderJack 3 Clutch B The ART SpiderJack 3 Clutch B is a replacement friction clutch for the SpiderJack 3 rope control device. It is designed f...
ART SpiderJack 3 Clutch C The ART SpiderJack 3 Clutch C is a replacement friction clutch for the SpiderJack 3 rope control device. It is intended f...
ART SpiderJack 2.1 Clutch The ART SpiderJack 2.1 Clutch is the replacement friction clutch for the SpiderJack 2.1 rope control device. Designed to ...
ART SpiderJack 2.1 Release Lever The ART SpiderJack 2.1 Release Lever is a replacement component designed for use with SpiderJack 1, 2 and 2.1 rope...
ART SpiderJack 3 Carabiner Rubber The ART SpiderJack 3 Carabiner Rubber is an O-ring designed for the upper carabiner adaptor of the SpiderJack 3 r...
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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