This round-top, ladder-hook carabiner is ideal for firefighters, rescue work and rigging. It has an auto-locking gate with an extra-generous gate opening so it easily fits over ladder rungs. It is made of high-density, alloy steel for extra strength. Captive eye pin is included. Meets ANSI Z359.1 standards. Minimum Breaking Strength is 30kN (6,750 lb).