This carabiner from DMM with tri-lock gate is lightweight and strong. The Ultra-O is symmetrical and therefore very suitable as a connection between pulleys and similar. The hook has a length of 109 mm and a gate opening of 19 mm. The minimum breaking strength is 25 kN. Colour: grey-green. The Ultra-O is also available in a set of three hooks in red, blue and green for easy identification of the hooks.The DMM Ultra-O has a weight of 74 grams and complies with EN 362.