Ascenders

Notch Jet Step Foot Ascender

The Notch Jet Step's unique dual cam design results in lower spring tension and reduced drag.“This is the smoothest functioning foot ascender I’ve ever used. I love it.” – Kevin Bingham, Singing Tree owner and Rope Wrench and Rope...

CMI Footstrap

The new CMI Footstrap is here. Now there is no reason to spend a few hundred bucks on a new pair of boots when you can simply strap on this new footstrap and make any pair of shoes or boots able to be used with different climbing systems. The quick...

CMI Rope Jack

The CMI Rope Jack is a Mechanical Advantage tool for pre-tensioning static lines, light lifting and cabling. The Rope Jack is small enough and light enough to be carried aloft by a climber for Mechanical Advantage within the crown. The length of the...

CMI Small Untrascender

Small Ultrascender: A short version of the large ultrascender, excellent as a mechanical safety in lifting rigs.Sold as a pair (one left, one right) also available singly as well. Price for singles is half of price per pair...

CMI Large Ultrascender

Large Ultrascender:  An ergonomic safety mechanism and thumb notch on the cam make this an easy ascender to operate. Available in Red and Black. *NFPA Version:  Exceeds tests for national fire protection association standard on fire...

CMI Arborist Aluminum Ropewalker

 Arborist Aluminum Ropewalker: Provides quick mechanical adjustment to fliplines and comes equipped with an adjustable tension spring and a bolt through the cam for fixed application on the lanyard. This is the strongest flipline adjuster at...

CMI Aluminum Ropewalker

Aluminum Ropewalker: Designed to accommodate left and right handed users, the Ropewalkers grabbing pressure is maintained by the beefiest spring wire in our lineup. Slots in the bottom are designed to pass chips, grit, and mud right on through. For ropes...

CMI Foot Ascendders

 Rope climbing is made easier by the CMI Foot Ascender. The addition of this boot-mounted device maintains tension on the rope, allowing for easier advancement of the main ascender, and promotes better use of body mechanics by keeping your body in...

CMI Twin Channel Expedition Ascender

The Twin Expedition is the first single-handled dual ascender designed to meet the needs of industry leading Arborist professionals. The EXPTWIN easily accommodates three rope techniques - 2:1 doubled rope technique (DdRT), 1:1 single rope...

CMI Expedition Double Ascender

Looking for some extra gripping power? Our new Double-handled Expedition Ascender is your solution! Two handles let both hands get in on the lifting action, making going up almost as easy as going down. MBS: 3400lbs (51.1kN) Size: 8...

CMI Expedition Ascenders NFPA

The CMI Expedition Ascenders incorporate the most comfortable handgrip ever seen on an ascender. Our ergonomic design cushions the hand and provides something substantial to hold on to. Other features include an easy to operate safety, dual tie in holes...

CMI Expedition Ascenders

The CMI Expedition Ascenders incorporate the most comfortable handgrip ever seen on an ascender. Our ergonomic design cushions the hand and provides something substantial to hold on to. Other features include an easy to operate safety, dual tie in holes...