Item Name: Nema 23 Stepper Motor 60mm Base with Driver Kit Leadshine Description: Nema 23 Stepper Motor with 60mm Base (Please refer attach base size, slighter larger 60mm x 60mm than standard 57mm x 57mm base) PCs in Item: 1 Set (Stepper Motor Driver) Manufacturer: Leadshine Control Technology Co. Ltd., China Reference: Leadshine CM Series Stepper Motor Datasheet (PDF) Leadshine CM Series Stepper Motor Specification Leadshine DM Series Stepper Motor Driver