For people who climb for a living. 09 274 8090






The NOTCH Jet Step is the industry's first toothless foot ascender, using dual opposing Harken cams with low powered tension springs reducing the amount of drag on the climbing line and ultimately the amount of rope needed below the device before it self-tends. Two cams squeezing the climbing line from both sides increases grip strength, which translates directly to improved performance on wet, muddy, or frozen ropes. The NOTCH Jet Step is the ultimate foot ascender. Made for NOTCH by Harken Industrial; it's the same device as the Harken Ninja foot ascender just a different colour.

Minimum Qty

1 Items

Order Ships in

1 Bus Days


In Stock

Product Code: 103-15001001

All prices include GST
  • Twin toothless Harken cams won't damage climbing lines
  • Dual cams allow lower spring pressure, improving self-tending performance
  • Fairlead prevents accidental kick-out
  • Y-shaped strap prevents movement on the boot - fully adjustable for correct positioning
  • Can be worn left or right
  • Fits climbing lines 8mm - 13mm in diameter

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 equipment without first undertaking appropriate training.

Rope Ø 8 - 13 mm
Weight 136 gm
Max Load 150 kg

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. Thank you for your understanding and commitment to safety.

What counts as work at height safety equipment?
  • Ascenders
  • Carabiners
  • Climbing Kits
  • Climbing Lines
  • Climbing spurs
  • Connectors
  • Descenders
  • Friction Cords
  • Friction Savers
  • Harnesses
  • Helmets
  • Lanyards
  • Pulleys
  • Rope Tools
  • Slings
  • Swivels

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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