Petzl OK Carabiner - Oval Carabiner for Use with Pulleys and Ascenders for Climbing and Glacier Travel - Screw-Lock

OPTIMIZED SIZE and SHAPE: Symmetrical oval shape allows optimal loading of devices with a wide section, such as pulleys, ascenders and progress capture pulleys. Fluid interior design limits the risk of having a catch point and facilitates rotation of the carabiner. Keylock system to avoid any involuntary snagging of the carabiner. H-profile contributes to better grip, protects the markings from abrasion and reduces weight. SCREW-LOCK: easy-to-open system. Suitable for harsh environments where dirt, mud, or ice could cause an automatic locking system to jam. Red band provides a visual warning when the screwgate carabiner is unlocked. H-PROFILE: Contributes to better grip, protects the markings from abrasion and reduces weight. KEYLOCK SYSTEM: Avoids any involuntary snagging of the carabiner. FLUID INTERIOR DESIGN: Limits the risk of having a catch point and facilitates rotation of the carabiner.