Fully retrofit CNC Milling 1. Hybrid Stepping motor Nema 42 Bipolar 20Nm 3.0A, Unipolar 14Nm 4.2A x 3 UNITS 2. Micro stepping Driver 250V 80-250VAC, 0.42-7.8A, 176x145x61mm x 3 UNITS ***Work with Mach3 The order will go directly to the factory, therefore allow 10 days for manufacturing and plus shipping time.