Heavy Duty Metal Pad Bolt 1) Material: steel, iron 2) Surface finish: zinc or color zinc plated 3) Size: 80mm-200mm Product Description: Heavy Duty Metal Pad Bolt1) Material: steel, iron;2) Size: 80mm, 100mm, 120mm, 150mm, 200mm;3) Surface finishl: zinc, color zinc plated,4) Packing: 12pcs or 6pcs per inner box, certain boxes per carton, or as per customer's request Heavy Duty Metal Pad Bolt