Designed for use at belay stations, the Petzl Spirit Screw-Lock biner is compact, ultra-lightweight, and features a Keylock gate to avoid snaggingbr>H-shaped cross section provides improved strength-to-weight ratioWider contact surface allows for better rope glide and reduces wear on the carabinerScrew-Lock locking sleeve is easy to use and effectiveVisual indicator lets you know at a glance whether the biner is locked or notAdapted shape allows for easy tying or untying of a clove hitchKeylock system eliminates the risk of snags 3342540097650 20066100012 M53A SLN