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Product Code
Out of stock Usually dispatched within 24hrs of being in stock

Free next day delivery over £90*

Free buy online & collect in store


The LockJack is a manageable, efficient and easily operable device for ascent and descent in tree climbing. It offers every climber – beginner or pro – a safe, dynamic and energy saving climbing experience. Equipped with a Swivel the LockJack compensates twists of rope and body alike and thus raises the climbing comfort considerably. 1 clutch 11/12 and 1 clutch 12/13 mm are included in delivery.

LockJack 2 features:
• patented
• multifunctional ascent and repelling device for the running double rope
• approved for descent with 2 persons
• certified according to EN 358
• for textile ropes EN 1891 from Ø 11–13 mm
• the device can be installed on the climbing line without any threading
• body and parts are made of aluminium machined in the solid
• all worn parts can be replaced
• service life: 5 years
• tested with: 15 kN/3 min.
• breaking strength: 23 kN
• weight: ca. 310 g

Recommended carabiners for the LockJack:
• Civetta D-Trilock
• OK Triact
• OK Ball Lock
• Am'D Ball Lock

When using with other carabiners, make sure that the ball of the release lever does not fit through the karabiner. Otherwise there is the danger of a fall or an uncontrolled descent.

Technical Information
Additional Information
Name ART LockJack Sport Swivel
Manufacturer ART
Rope diameter (mm) 11-13mm
Colour Red and Black
Test Standards EN 358
Product Code U1-LKS-0W
Brand ART


Buxton’s offer free next working day delivery on orders over £90 (Incl. VAT) for Mainland UK (excluding the Highlands and Islands).

We also offer a 48hr Royal Mail service for smaller items.

Orders placed before 3 pm are dispatched the same working day. Orders received after this time or during weekends & Bank Holidays will be processed the next working day. Please note all orders placed on a Friday will arrive the following Monday unless you select Saturday delivery for an additional charge.

For more information on our delivery services click here.

Large Items & Machinery

Due to the size and nature of some items, we're unable to despatch them via our usual delivery services.

White Glove Delivery is available on many lawnmowers & other highlighted products and is offered free to customers within a 30-mile radius of our showroom. Learn more.

If you would like to order a larger lawnmower, or any other item marked as White Glove Only, please contact us for a quote. 



At Buxton’s, we offer a 30-day return policy. Within 30 days of receiving your goods, you can return the products for a full refund. Products will only be refundable if they are returned in the original packaging, unused and in a resellable condition. T&C applies. Products that are made to order are non-returnable. For example, rope cut to length. Products that we don't stock and are ordered in from the supplier will have a 25% restocking fee if returned.

For more information on our returns policy click here.


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