... ) Dimensions of device:22mm,32mm,42mm,52mm,62mm, 72mm,81mm,105mm 2) Gear ratio:i=3~512 32mm planetary gear motorFeatures: 1 ... ) Dimensions of device: 22mm, 32mm, 42mm, 52mm, 62mm,72mm,81mm,105mm ... -man of Chinese standard of micro motorOur Certification:Our factory: 32mm planetary gear motor