All forged by alloy steel, heat treatment processed by arts of heat treatment, small size, high strength As the link of slings, they can used single or double, with full items, range 0.5 - 600t, they can be used in various lifting work.Tongue & Cavel Sliding HookDYH-1 sliding hook is an important accessory, the type is tongue & cavel and sliding hook, with safe, novelty. high quality safety- ...