... Blade : Blade has an Fe304surface coating flr a longer life, it is mainly used for cutting steel ... and profiles. It is not recommend to use a TIN co. Can choose different teeth: triangular tooth ... , curve tooth, right-left-tooth. Can choose its diammeter: 250mm, 275mm, 300mm, 315mm, 325mm, 350mm, ... 400mm. Can choose its thickness: 1.2mm, 1.6mm, 1.8mm, 2. ...