Automation Direct SureStep NEMA 17 Stepper Motor Single Shaft PN STP-MTR-17060 I purchased these for a project and used it once; it has been stored in the box since. Also includes (1 Used & 1 New ) POLOLU DRV8825 Stepper Motor Driver Carrier, High Current Item# 2133 Also includes a set of 6 motor mounts - new / never used in bag ( last picture)