Saw Blade:1) Material: M2(W6), M35, W9, W5.W18HSS-DM05=M2=DIN1.3343( It is molybdenum series, so it has excellent tenacity)HSS-DM05CO=M35=DIN1.3243 (It contains 5% cobalt. It has excellent tenacity)2) Surface treatment:Ti-coated, Azoted, original color3) Outer diameter:200-550mm4)Inner...