Description:<br />JKM 42 Hybrid Stepper Motor 2 Phase 1.8&amp;amp;amp;deg;40MM For CNC Router Milling Machine<br /><br />Brand Name: JKM<br />Model: JK42HS40-1704<br />Motor length: 40mm<br />Voltage: 2.55V<br />Diameter of axle: 5mm<br />The front shaft