Product Name: 150mm Effective Stroke Length Linear Rail Guide Double Optical Axis Linear Slide Rail Ballscrew SFU1605 with Nema 23 Stepper Motor for DIY CNC Router Machine X Y Z Linear Stage Actuator Tips: Make sure you have the drive and controller, no drive and controller stepper motor will not work Linear Stage Actuator Parameter: Effective Travel Length: 150mm/5.9" Total length: 326mm/12.8" Type: Double Optical Axis System Moulde Ballscrew Type: SFU1605; Diameter:16mm, Pitch of Screw: 5mm Lead: 5mm (the lead screw can move 5mm in one turn), 4pcs M5 threaded hole on the moving block to fix the workpiece Level Ballscrew: C7 Weight: about 2540g Stepper Motor Parameter: Step angle: 1.8 degree Motor flange size: 57mm Motor length: 56mm Holding torque: 1.2N.m Current: 3A Resistance: 0.8 ohm Inductance: 2.4 mH Rotor Inertia: 440g.cm Lead wire: 4pcs Wiring: Red: A+ Green: A- Yellow: B+ Blue: B- Widely used for CNC Router Machine, inspection equipment, optical laboratory precision measurement, fine-tuning displacement, production machinery, mechanical equipment positioning and movement. Package Included: 1Kit Double Optical Axis Actuator with NEMA23 Stepper Motor Please Note: Any question or problem, do not hesitate to contact us, we will reply you within 24 hours As Manual measurement, please allow slight errors on size The color may exist slight difference due to different screen displays