Cheap And Discounts 2DM860H 2-phase Digital Stepper Motor Driver Ac18v-110v Dc18v-160v Suitable For 4.5, 8.5, 12 Stepper Motors Wholesale. Buy Directly From Merchant CNC Brother Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.