The ISC Twister Carabiner features a swivel connection point and a blind nose, which improves performance by reducing snagging. The barrel has been designed with a square cut notch to limit debris build up and this carabiner has 3 gate barrel options. The gate barrels are color-coded for quick and easy identification. Comes in screwgate, twistlock, and supersafe versions. CE, EN 362 certifications. Items 109212, 109214, 109215, and 109214 are ANSI rated.