Description:<br />JKM NEMA17 Two Phase 42mm Hybrid Stepper Motor 1.8Degree 1.0A 40mm Length For CNC Router<br /><br />Specification:Brand: JKM<br /><br />Model Number: JK42HS40-1004YAL<br />Motor length: 40mm<br />Boundary Dimension:42*42mm<br />Size: 42m