... ,THE MATERICAL IS ALUMINUM. Detailed product description:(1) the sequin device can run 3mm,4mm,5mm,6.75mm,9mm.sequins.(2 ... engine motor can be 0.5A or 1A.(3)the device is intalled side ,also can change to in front.Use ... bearing and shaft to control up and down of the device.(2) adjusting the bolt to move the motor board so ...