A.M9~M11 B.M5~M7 C.M7~M9 D.M1~M3
A.0.001~0.002mm B.0.015~0.03mm C.0.03~0.05mm D.0.1~0.25mm
A.0.05~0.08mm B.0.002~0.005mm C.0.015~0.05mm D.0.005~0.01mm