The stepper motor with geared box, PM stepper motor and Hybird stepper motor, Used for air condition impeller, scanner, printer etc. The PM stepper motors mainly used for electrograph, printer duplicating machine,scanner,sheet feeder,and other automatic and intelligent apparatus If you have any question, please contact me by my email showed on the picture, because I can not get your inquiry infromation in this website sometimes. Or send me to email BLDC at yahoo dot cn