Features: Experience Precisions motion control with 5 wire Steppers motor, for integration with ULN2003 driver chips and for 3D printing projects. This Steppers motor boasts 5.625x1/64 step angled and 1/64 reduction ratio, ensuring detailed and accurate movements for every print. for hobbyists, engineers, and educator, this Steppers motor component for anyone involved in computer and office electronics or 3D printing parts and accessories. Enhances your robotics, automation systems, or 3D printer with reliability and quick response time of Steppers motor. The 28mm diameter motor operates on 5V 12V drive voltages, offering balances of power and efficiency to maintain performances in creative and technical endeavors. Specifications: Materials: ABS Diameter: 28mm Voltages: 5V, 12V(optional) Package Includes: 1PC Steppers Motor note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!