... saw•Material:hight carbon steel blade and strong ABS plastic handle(or Rubber, Plastic)•Blade Length:300mm,350mm,400mm,500mm,550mm,600mm ... •Surface: Blueing, Thread Polish, Precision Polish, Black plastic)>, Common polishing•High Frequency Heat Treatment•HRC:51-52 Deg ... teeth space:6,7,8,9,11,12 points•ABS plastic handle with rubber grip absorbs vibrationwhile cutting•Teeth features: ...