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Harken Ninja MultiAscend

Harken Ninja MultiAscend

Harken Ninja MultiAscend



The Harken Ninja MultiAscend boosts efficiency on the ascent and is a game-changer in various work-at-height tasks. Its innovative dual-cam design allows the device to function seamlessly as a chest or hand ascender and a versatile attachment point. With a dual-stage locking swing plate, the Ninja MultiAscend ensures secure engagement with the climbing line, minimizing the risk of accidental detachments. Featuring user-friendly external release triggers, adjusting the Ninja MultiAscend up or down is safe and straightforward, whether used as an ascender or a progress capture device on a safety line. Compliant with EN567:2013 for rope diameters of 9-13mm and EN12841:2006 Type B for rope diameters of 11-13mm, and with a maximum rated load of 140kg, this device offers unmatched versatility and safety for rope access professionals and aerial arborists.

Minimum Qty

1 Items

Order Ships in

1 Bus Days


In Stock

Product Code: 103-20001001

All prices include GST
  • Engineered to provide increased efficiency in a range of applications
  • Dual cam design enables the MultiAscend to act as both a chest ascender as well as a full point of attachment
  • Dual-stage locking swingplate ensures consistent engagement with the rope, preventing unwanted detachments
  • External release triggers make adjusting the Ninja MultiAscend safe and easy
  • Compatible with rope diameters 9-13mm per EN567:2013
  • Compatible with rope diameters 11-13mm per EN12841:2006 Type B
  • Max Rated Load: 140kg

PLEASE NOTE: Adequate training and judgment are needed to reduce the risks inherent in using this equipment. The purchaser's responsibility is to ensure they are competent in using this product. Treetools strongly advise that you do not use any height safety or arborist equipment without first undertaking appropriate training.

Weight 272 g
Rope Min Ø 8 mm
Rope Max Ø 13 mm
Max Load 140 kg
Certified EN 567:2013
EN 12841:2006-B

Under $250  
Auckland $6.90
North Island $9.90
South Island $12.90
Orders Over $250 FREE*

Orders with Rural Delivery addresses may take longer than stated to arrive.


Due to factors out of our control, Treetools is experiencing random shipping delays and supply issues that may result in some gear not being available either in-store and/or online. We apologise for any inconvenience this may cause.

*Free Shipping excludes ladders and overweight product.

NO INTERNATIONAL SHIPPING Treetools is a 'kiwi only' affair.
Find out more about Treetools Shipping and Return Policy here.
All parcels require a signature on delivery unless requested otherwise.

Accurately tracking the life of a product is paramount for your safety

At Treetools, we prioritize your safety above all else, so we cannot accept returns on safety equipment. This policy ensures that your gear is always brand new, safe, and traceable to our trusted manufacturers and suppliers. We understand the critical role this equipment plays in your safety, potentially even preserving your life during climbs or work aloft. Therefore, we urge you to choose carefully before making your purchase. Additionally, please note that suitably trained and qualified individuals should use the climbing and rigging equipment listed on our website. We want to reassure you of our unwavering commitment to safety. Thank you for your understanding and commitment to safety.

Non-Returnable Items: Due to safety and hygiene reasons, PPE gear that has been opened, used, or worn cannot be returned. This includes, but is not limited to, helmets, lanyards, harnesses, friction cords and ropes.

Return Conditions for Unused Items: Return Conditions for Unused Items: Unused items in their original, unopened packaging with intact seals can be returned within 30 days of purchase with proof of purchase.

Defective Products: Items with manufacturer defects can be returned or exchanged within the warranty period, regardless of packaging status. Please contact customer service for return authorization and instructions.

Documentation Required: Proof of purchase and return authorization are required for all returns. Inspection Process: All returned items will undergo a rigorous inspection to ensure they meet return criteria. Items failing inspection will be returned to the customer.

Refund and Exchange Options: Refunds will be issued to the original payment method or as store credit. Exchanges are subject to availability.

Restocking Fee: 15% restocking fee for non-defective returns.

It is crucial that you select compatible gear for your specific configuration to ensure maximum safety. Failure to do so may result in severe consequences. We highly recommend that you choose the correct diameter rope that matches the hardware you are using. Please note that safety products cannot be returned due to configuration incompatibility. Therefore, we strongly advise you to conduct thorough research or ask us for clarification before making a purchase. Your safety is our top priority.

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