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Mechanical Devices

Our range of mechanical friction devices for climbing caters to tree surgeons, arborists, and other tree-climbing experts. Featuring an array of options from leading brands such as Petzl and ART, each device is engineered to ensure secure and effective ascents and descents. Whether you require a device for single rope or double rope applications, we have the suitable solution for you. Additionally, our devices are designed to accommodate various rope diameters, offering flexibility to match your specific requirements.

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ART Blackbird 11.2–11.9mm Cam A
ART Blackbird 11.2–11.9mm Cam A2
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Blackbird 11.2–11.9mm Cam A

£14.40 incl. VAT
£12.00 excl. VAT
Replacement Cam A for the BlackBird rope safety device.…
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ART Blackbird 11.9–13mm Cam B
ART Blackbird 11.2–11.9mm Cam A2
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Blackbird 11.9–13mm Cam B

£14.40 incl. VAT
£12.00 excl. VAT
Replacement Cam B for the BlackBird rope safety device.…
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ART Lock Jack Swivel Spare Eye
ART Lock Jack Swivel Spare Eye-13752
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Lock Jack Swivel Spare Eye

£40.80 incl. VAT
£34.00 excl. VAT
he swivel was created to avoid rope torsions and to compensate body movement. Thus the climbing comfort has been raised once again.…
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ART LockJack Bearing Screw for Friction Clutch
ART LockJack Bearing Screw for Friction Clutch -13754
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LockJack Bearing Screw for Friction Clutch

£8.39 incl. VAT
£6.99 excl. VAT
Long Screw for the ART LockJack Fits both the swivel and non-swivel versions …
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ART LockJack Clutch 11/12mm
ART LockJack Clutch 11-12mm
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LockJack Clutch 11/12mm

£8.34 incl. VAT
£6.95 excl. VAT
Available in two sizes; 11-12mm & 12-13mm Highly abrasion resistant due to hard metal core …
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ART LockJack Clutch 12/13mm
art_lockjack_clutch_diagram
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LockJack Clutch 12/13mm

£8.34 incl. VAT
£6.95 excl. VAT
Available in two sizes; 11-12mm & 12-13mm Highly abrasion resistant due to hard metal core …
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ART LockJack Sport Spare Parts
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LockJack Sport Spare Parts

£3.00 incl. VAT
From £2.50 excl. VAT
Keep your LockJack Sport working like new with these spare parts. Find replacements for key parts with the handy diagram above. If you can’t find…
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ART Positioner 11-13mm Clutch
ART Positioner 11-13mm Clutch-13770
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Positioner 11-13mm Clutch

£9.60 incl. VAT
£8.00 excl. VAT
Friction clutch for the Positioner lanyard adjuster. To be used with all static and dynamic ropes in accordance with EN 1891 and EN 892 (Ø…
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ART Positioner 12-13mm Clutch
ART Positioner 12-13mm Clutch-12094
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Positioner 12-13mm Clutch

£9.60 incl. VAT
£8.00 excl. VAT
Friction clutch S for the Positioner lanyard adjuster. To be used exclusively with wire core ropes (Ø 12–13 mm). The clutch is designed for fast…
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ART Positioner Release Lever
ART Positioner Relase Lever-15604
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Positioner Release Lever

£12.60 incl. VAT
£10.50 excl. VAT
Ergonomically designed release lever for the Positioner lanyard adjuster.…
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ART Positioner Spare Parts
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Positioner Spare Parts

£9.60 incl. VAT
From £8.00 excl. VAT
Keep your Positioner working like new with these spare parts. Find replacements for key parts with the handy diagram above. If you can’t find the…
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ART Positioner Swivel 2 Eye
ART Positioner Swivel 2 Eye -16335
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Positioner Swivel 2 Eye

£38.40 incl. VAT
£32.00 excl. VAT
Swivel for the Positioner lanyard adjuster made of aluminium. It prevents rope twisting and keeps the lanyard in the perfect position.…
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Next Day Delivery Available For Mainland UK
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Highly Rated

Rated highly from 1000+ reviews.
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