Chrome coated buckles, also known as galvanized buckle; are used in the connection of Polyester Strap, Polypropylene Strap and Composite Fibre Strap. It makes the connection solid and secure. By simple machines, also known as Mechanical Tension Machine or Mechanical Tensioning Device, high level of tensioning is done. It is easy and practical to use. It can be used in every field, thanks to its varieties that can be used with straps of different sizes and different structures.