The materials are sus 304, SYTHETIC and nylon, as well as nylon half-wrapped stainless steel shackles. synthetic and nylon slaughtering shackles are available in two sizes, 10mm and 12mm, and the matching shackles has 4 medium lengths. SYTHETIC separating shackles are available in 4 models. There are 9 types of stainless steel slaughtering shackles, which are respectively used for the matching use of different production lines. It can be used for slaughtering equipment such as chickens, ducks and pigeons.