Service descender, version with a completely smooth loop for the connector inserting, without rubber or fins. Designed to be installed in the abseiling belay as a quick, safe and versatile tool in canyoning progression. It allows an easy rope adjustment, management of rock rubbings, assisted release and it's an efficient tool in canyon progressions. Perfect for rescue operations during abseiling and recovery and in the emergency situations, it's a tool developed with and for canyoning professionals.