Steel Wire Buckle 13mm-32mm Material: Metal, Carbon Steel Size: 13mm-32mm Diameter: 3.5mm-7.0mm Breaking Strength: 480kg-2400kg Surface: Galvanized or Phosphatizing Suitable Strap: for 13mm-32mm composite strap As a buckle supplier, our hot products include steel cross and wire buckle, strap buckle, zigzag, galvanized and waterproof buckle for composite strap.