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The TRIACT-LOCK locking system can be used to minimize friction on the work rope or to install redirects. • 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 • 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: may be used as a directional point on the ASCENSION handled rope clamp during short rope ascents • H profile of carabiner: - ensures an improved strength-to-weight ratio - protects markings from abrasion Technical Notice of Petzl Rollclip Pulley Carabiner Triact Lock