350MM HEAVY-DUTY CROSS RIM WRENCH ( 17 X 19 X 21 X 23MM )

1) size: 17mm, 19mm, 21mm, 23mm
2) the made of ... Of wrench can be made of 45# steel or crv-steel.
3) surface: polished, chrome. Name: cross wrench.
4 ) Length-350mm