New stepper motor by Fuji Electrochemical Part number SM55-4830-A. These work well with our UCN5804B stepper motor IC. This motor has a 36 Ohm coil, operates on 12V and appears to be 50/100 steps/rev. The unit measures approx 2" x 1", the shaft is 1/2 x 1/8". There are six approximately 19" long leads wires that come out of this motor from two side by side holes, one hole has three wires, a red, a brown, and a black wire, and the other has 3 wires, a red, an orange, and a yellow. Large quantity available.