... Made of cast iron, carbon steel, stainless steel, aluminum, and zinc alloy Competitive priceMaterials: cast iron, carbon steel, stainless steel, ... , and zinc alloyStandards: JIS, DIN, ASTM, and BS (US, European, and Australian type)Products: turnbuckle, hook, thimble, shackle, chain, steel wire rope, ... complex clip, swivel, and ringCustomized designs and productions are welcome U type shackle