metal hook, Mn steel hook

1 material: Manganese Steel.

2 color: black, nickel/silvery

3 use: used with PP strap and plastic or metal buckle to fix the body on the spine board.

4 advantage: Strong metarial Mn steel has greater tensile strength than other usual metal materials. It can supply stronger power to insure the immobilization effect.

5 characteristic/ feature: the whole body of the hook is made of Manganese steel. It is more solid and practicable.

6 craft: Steel stamping technology