Pulley carabiner, available in versions with or without TRIACT-LOCK locking system. The version with the TRIACT-LOCK locking system can be used to minimize friction on the work rope or to install redirects. The non-locking version is designed for use as a directional point on the ASCENSION handled rope clamp during short rope ascents. Facilitates manipulations: - Keylock system prevents any accidental snagging of the carabiner when putting the pulley in place - gate opening on the pulley side facilitates installation of the rope when the pulley is fixed to the anchor - may be used with a CAPTIV positioning bar to favor loading of the carabiner along its major axis and to limit the risk of it flipping - sheave mounted on sealed ball bearings for excellent efficiency Available with or without locking system: - with TRIACT-LOCK locking system: may be used to minimize friction on the work rope while keeping set-ups simple. May also be used to install redirects. - without locking system: ma