CT Twin Double-Handle Ascender for Tree Climbing

Ergonomic Double-Handle Ascender for Fast, Comfortable Rope Ascent

The CT Twin Double-Handle Ascender is widely regarded as one of the most comfortable and easiest-to-use ascenders available for tree climbing. Its unique V-shape structure accelerates rope ascent, while the large hand openings and ergonomic design make it equally effective for footlocking and single or doubled line climbing.

Key Features

• Double-handle design — the most comfortable and intuitive ascender for extended climbs
• V-shape structure — engineered for faster, more efficient rope ascent
• New ergonomic design — works seamlessly on single or doubled rope lines
• Protective top cover — keeps branches and debris from lodging in the cams
• Large hand openings — easy to use with gloves on
• Grips icy and dirty ropes — reliable performance in all field conditions
• Excellent for footlocking — a favorite technique among professional arborists

Specifications

• Brand: CT (Climbing Technology)
• Type: Double-handle chest/hand ascender
• Application: Tree climbing, arboriculture, SRT and DRT ascent, footlocking

Quick Decision Guide

• Want the most comfortable ascender for long climbs? The CT Twin's double-handle design is hard to beat.
• Prefer a single-handle ascender? See the Petzl Ascension – Left Hand or Right Hand.
• Need a foot ascender to pair with this? See the CT Quick Step Foot Ascender.
• Building a complete SRT system? Also check out the ISC Rope Wrench ZK-2.

Frequently Asked Questions

What is the V-shape structure?
The V-shape geometry of the CT Twin creates a mechanical advantage that makes moving up the rope faster and less fatiguing compared to traditional single-handle ascenders.

Can I use this with gloves?
Yes — the large hand openings are specifically designed to accommodate gloved hands.

Does it work on icy or muddy ropes?
Yes — the cam design grips reliably even on wet, icy, or dirty ropes.