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SRT Rope Climbing Kit Upgrade

SRT Upgrade Kit Contents CMI Foot Ascender Ascender
SRT Rope Climbing Kit Upgrade image

SRT Rope Climbing Kit Upgrade

Buy SRT Rope Climbing Kit Upgrade

Right Hand Ascender
Left Hand Ascender

This upgrade to the rope climbing starter kits enables the user to climb in the Single Rope Technique (SRT) using ascenders. This is useful for long ascents. With the gear in this kit, the user can set up a system where the climber alternates between standing on the foot ascender and the foot strap. Alternating in this method makes climbing the rope a lot like climbing a ladder.

Kit Contains: CMI hand ascender and foot ascender (choice of right or left), ascender foot strap, delta link, standard figure 8, and 7 feet of Sterling 8mm cord that can be used to tie a prusik.


This kit can be used in several configurations. The user climbs the line by shifting the weight from one ascender to the other, advancing the one that is not weighted at the time. This makes climbing a rope just like climbing a ladder, and is the most efficient way to climb rope, saving effort over secured footlock or body-thrusting methods.

The kit is supplied with a figure eight for descending, and a prusik as a backup.

Your kit will contain:

  • CMI Hand Ascender (right or left hand)
  • CMI Foot Ascender (right or left)
  • Ascender Foot Strap
  • Delta Link
  • Aluminum Figure 8
  • 7' Sterling 8mm Cord

All ascent systems must include a descent system!

There must be a way for the climber to change from ascent to descent mid-line without having to tie into the tree. Many types of rappel hardware are available. Hardware used must be compatible with single line descent & the line diameter. The climber must be able to rest on the line while installing the descent device. All ascenders must be completely off the line before descending. Practice your changeover and descent methods first!

ANSI Z133-2017

The American National Standards Institute (ANSI) has released the ANSI Z133 safety requirements which apply to arboricultural operations.

The full ANSI Z133 safety requirements are available on our tree care standards page.

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