Singing Rock Sir Descender

Robust multipurpose device for use in industrial rope access

• its functionality spans the range from rope descender and abseiling device through semiautomatic belay and fall-arrest device to work positioning device for use on roofs and edges
• unimpeded movement of the cam
• by pulling onto the working end of the rope the cam engages and jams the rope
• by pulling the lever the cam gradually releases the rope
• if the lever is pulled down to its terminal position the double-stop function is triggered which blocks the rope again
• spring loaded pin for impeded swinging of the cam
• easy and intuitive installation of the device onto the rope (watch the pictograms and read the instruction of use)
• no hidden mechanisms for easy inspection
• metal lever under all industrial conditions tested for 225 kg according to EN 12841 (rope access)
• fulfills following standards:
• EN 12841-C: max. load 225 kg, with static rope 10-12 mm
• EN 341-A: load range 30-180 kg (max. descent distance 190 m), with Singing Rock 11 mm static rope STATIC R44 11.0
• EN 795-B: for one person, exclusively with Lanyard WP
• ANSI/ASSE Z359.4-2013: single person use (59-141 kg, 130-310 lb) with static rope 11 mm