Feature:1. Suitable for DIY small slider/project/measurement equipment/laser printer.2. Miniature 2phase 4wire stepper motor with planetary gearbox. The planetary gearbox reducer adopts an allmetal structure.3. Drive precise diagonal lines to move the metal slider up and down. The bracket is basically made of a metal structure.4. 2phase 4wire motor, 49V/100500mA drive voltage, it has stable and professional performance.5. Made of premium stainless steel material, rugged, anti‑corrsion and durable, long lifespan.Specification:Condition: 100% Brand NewItem Type: Stepper Motor ScrewMaterial: Stainless SteelColor: As picture shownMotor Type: 2-Phase 4-Wire SystemDrive Voltage: 4-9V/100-500mA (the higher the voltage, the greater the force, the greater the heat)Screw Length: Approx. 90mm/3.5inSlider Stroke: Approx. 80mm/3.1inMotor Diameter: Approx. 15mm/0.6inScrew Diameter: Approx. 3mm/0.1inScrew Thread Pitch: Approx. 0.5mm/0.02in (0.025mm in one step, if smaller, you can use subdivision drive)Step Angle: 18Phase Resistance: 15.5 OhmsBlue A+ Black A- Red B+ Yellow B-.Package List:1 x Stepper Motor ScrewNote:Please note that it is a stepper motor, it will not turn when it is directly connected to the power supply. It requires a stepper motor drive board and a control board.