Ergonomic grip with support for index finger, for improved effectiveness when pulling during climbing; Cam opening lever is usable with one hand that allows for unlocking with one downward movement; Cam has 3 cut-outs to prevent build-up of mud and reduce the force needed to slide the ascender up the rope. Two attachment holes for various possible uses, anti-inversion cam system, secondary hole for connecting a Maglia Rapide for an Etrier. Technical Specifications Left HandedRight HandedRope Compatibility 10 – 13 mm10 – 13 mmColorGreyOrangeWeight 215 g215 g Certifications EN 12841:2006-B (Rope Adjustment Device, 10-13 mm)EN 567:2013 (Mountaineering Equipment, Rope Clamps, 8-13 mm)