... appearance Easily operate Air Brakes 1. The air pressure ventilation shaft clutch: NAC5, NAC10, NAC40, NAC602. Air pressure ventilation shaft ... NAB5T/S, NAB10T/S, NAB20T/S, NAB40T, NAB65T3. Air compressor/pneumatic type disc drum brake DBK, DBG104, DBG105: ... , BST - 2, BST - 45. Super durable (sliding) security chuck: STOSTW, FLOFLW6.pain magnetic powder clutch/brake7. Electromagnetic clutch/brake8 ...