Item Name: Nema 34 Stepper Motor with Driver Kit Leadshine Description: Leadshine CM Service Stepper Motors and DM series Drivers are highly reliable, with good performance and competitive costs. They are commonly used in DIY high-performance CNC projects. 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