The Petzl ASCENSION is an ergonomic handled ascender designed for controlled rope ascents on facades, buildings, and vertical rope access work. The overmolded dual-density handle and ergonomic upper body maximize grip power and comfort whether ascending with one hand or two. The toothed cam with self-cleaning slot handles frozen, dirty, or wet ropes without compromising performance—critical for outdoor urban work. Large lower hole accepts two carabiners for easy attachment of lanyards and foot loops.
Built for Professional Rope Ascents:
- Ergonomic molded handle with dual-density grip
- Overmolded handle area for index finger support
- Wide opening fits hands easily even with thick gloves or cold-weather gear
- Ergonomic upper section designed for two-handed pulling power
- Fully integrated safety catch prevents snagging on gear or clothing
- Toothed cam with self-cleaning slot—performs in ice, dirt, wet conditions
- Works on vertical, angled, or horizontal ropes
- Large lower hole for two carabiner attachments (lanyard + foot loop)
- Upper hole for rope clipping and safety systems
- Rope compatibility: 8–13 mm diameter
Available in Right-Handed and Left-Handed Versions:
- **Right-handed (Yellow):** For standard right-hand operation. Easy visibility and grip control.
- **Left-handed (Black):** For left-hand operation. No compromise on power or comfort.
Perfect For:
- Window cleaning rope access systems
- Facade maintenance and building climbing
- Glass replacement vertical rigging
- Emergency rope ascents
- Building access and suspension work
- Backup systems on complex rigs
- Professional rope access training
- Urban vertical work with mixed-hand teams
Certifications: CE EN 567, UIAA, NFPA 2500 Technical Use. 3-year warranty. Works seamlessly with CONNECT ADJUST lanyards, FOOTAPE or FOOTCORD foot loops, and standard carabiners for comprehensive rope climbing systems.