air clutch 1)wide torque scale 2)not easy to produce fire 3)long life time, easy to keep comfort air clutchNACTYPESTATIC TORQUESIZE 0.6MPAABCDEFGHJKNAC0.22.210456240351522952.4NAC1.413.715738564552530176.53 TYPESIZE WEIGHT LLLMNPTUKEYWAY NAC0.218M424 0.36NAC1.412M4 5 17.35*5*16 in continuously use of tension control system, the M5 entry should be promoted by air, and strongly to produce cold air ...