Allows easy and safe ascents especially when used with handled ascenders and foot loop during ascents or working. Key Features : Works on ropes from 10.5 mm to 11 mm rope. Allow safe and easy down climbing without removing the ascender from life line. Comfortable rubber grip. Unique teeth design to hold the rope securely Construction : Aluminium frame, stainless steel cam and wear plate, nylon safety clutch. Standard : Conforms to EN 567