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Sterling F4 Descender

Sterling F4 Descender

Sterling F4 Descender



Sterling Rope's F4 Control Descent Device revolutionizes emergency egress for firefighters and saddle hunters. This sleek, lightweight descent device, weighing just 170g, is certified to work seamlessly with Sterling's escape ropes like the FireTech2 series (saddle hunters prefer OpLux). The F4 is engineered to enable effortless horizontal movement and features an auto-locking mechanism, ensuring secure and hands-free exits from structures. The F4 Descent Device accommodates climbers of all sizes with its low-profile design that easily fits into various bag styles and offers multiple anchor options. It facilitates smooth sill transitions, controlled vertical descents, and seamless integration with turnout gear, making it versatile for right- and left-handed users. Certified for use with ropes ranging from 7.5 mm to 8.0 mm in diameter, it adheres to NFPA 1983 standards for Escape Descent Devices, guaranteeing top-tier safety and performance during critical operations.

Minimum Qty

1 Items

Order Ships in

1 Bus Days


In Stock

Product Code: 108-13002001

All prices include GST
  • Designed to allow easy horizontal movement, a smooth sill transition and a controlled vertical descent
  • Certified to be used with ropes ranging from 7.5 mm to 8.0 mm in diameter
  • Meets NFPA 1983: Escape Descent Device
  • Versatile for right or left-handed users.
  • The auto-locking feature allows for a hands-free exit from the structure
  • Saddle hunters use insulation tape to keep handle movement silent, and 8mm Sterling OpLux for the choice of rope
Body Length 140 mm
Weight 170 g
Rope Range Ø 7.5 - 8.00 mm
User Weight up to 120 kg
Body Material Aluminum
Ropes Sterling FireTech2
Sterling SafeTech2
Certification NFPA 1983

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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