Ascenders

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...

CMI Etrier

A continuous length of tubular nylon webbing is bar tacked and reinforced to yield a classic stirrup. Sold singly in assorted colors for easy identification, available with 3, 4 or 5 steps.

CMI El Diablo Descender

El DiabloThe most versatile device of its kind on the market today! Unlike other devices on the market, the El Diablo can be used with either the right or left hand. There is no guessing which way to put the device on the carabiner to use it properly...

Black Diamond Speed Step Aider

The Speed Step Aider is a nylon foot stirrup made for ascending ropes quickly and easily. Length can be adjusted easily using the top buckle and the aider fits securely around your foot with an elastic loop that’s also adjustable. Nylon...

Black Diamond Speed Step Pro Aider

The Speed Step Pro is a lightweight Dyneema foot stirrup made for ascending ropes with ease. The length can be adjusted using the top buckle and the aider secures around your foot with an elastic loop that’s also adjustable. Dyneema...