1.Hook Key(key) 2.Semi-round Key 3.Plain Key 4.passed ISO 9001,ISO Ts 16949 5.color,diamerer,length according to request 1.Hook Key(key)2.Semi-round Key3.Plain Key4.passed ISO 9001,ISO Ts 169495.color,diamerer,length according to requestThe hook key is made from 45# carbon steel with GB1565 .Also we produce the keys with non-standard and the customer's drawings& requests.