stepping motor can be 5 wires or 6 wires out. voltage:12vdc, phases:2phases gear ratio:1:64 dc resistance:200 ohm We have 4 types sizes of stepping motor. They are 24byj, 28byj, and 35byj. For 35byj, there are two type height of 35byj motor.Please find the drawing of 28byj as follows: If more data is needed, welcome to contact us! 28BYJ stepping motor