Safety hook spring hook 304 stainless steel spring hook climbing clasp safety catch chain clasp S safety hook (carabiner), also known as \"main lock\", can be divided into two types: ordinary (rotary) and spring hook (self-lock). The shape is as much as \"D\" (rescue, military), \"8\" glyph (engineering, construction). The spring type has a spring at one end of the lobe, and the normal type does not have a spring. Cooperate with rope, hoist, descend, flat belt, etc. In the fire industry, safety hooks are mainly used to protect firefighters from falling while operating and to the hauling system. In the field of engineering, the safety hook is mainly used to protect the safety of high construction workers. The two ends of the safety rope are connected with the safety hook, and one end of the safety hook is connected with the other endSeat beltsOn the upper half of the circle, the safety hook on the other end is attached to other fixed buildings (anchor point) after the height. The parameters of the safety hook are WS (WS) and blast tension (BS). The parameters of the safety hook are different according to different standards (such as NFPA1983) and manufacturers (such as KONG, Petzl, etc.).
