Condition: Item Type: Stepper Motor Screw Material: Stainless Steel Color: As shown in picture Motor Type: 2-Phase 4-Wire System Drive Voltage: 4-9V/100-500mA (higher voltage increases force and heat) Screw Length: Approx. 90mm/3.5in Slider Stroke: Approx. 80mm/3.1in Motor Diameter: Approx. 15mm/0.6in Screw Diameter: Approx. 3mm/0.1in Screw Thread Pitch: Approx. 0.5mm/0.02in (0.025mm per step; smaller increments possible with microstepping driver) Step Angle: 18° Phase Resistance: 15.5 Ohms Wiring: Blue A+ Black A- Red B+ Yellow B- Suitable for DIY small sliders, projects, measurement equipment, and laser printers. Miniature 2-phase 4-wire stepper motor with planetary gearbox. The gearbox features an all-metal structure. Enables precise linear motion for metal slider movement. Bracket constructed primarily of metal. 2-phase 4-wire motor with 4-9V/100-500mA drive voltage, offering stable and reliable performance. Made of high-quality stainless steel, durable, corrosion-resistant, and designed for long service life. Note: This is a stepper motor and will not operate when directly connected to a power source. Requires a stepper motor driver board and control board. Package includes: 1 x Stepper Motor Screw