DC 5V Micro 2-Phase 4-Wire Stepper Motor Linear Rail 48mm Stroke Linear Stage Actuator Lead Screw Slider Stepping Motor Small Electric Motor 18 Degree Step Angle electronics3 and ping pong robot trainers

and ping pong robot trainers or automatic server machines

4-inch Rotatable ScreenThe built-in 4 inch rotating monitor ensures an easy and comfortable observation for all users including eyeglass wearers

0 – 1 ppm which is critical for living animal in water

our metal rulers are flexible enough for measuring curved surfaces without breaking & durable enough to last through many projects

DC 5V Micro 2-Phase 4-Wire Stepper Motor Linear Rail 48mm Stroke Linear Stage Actuator Lead Screw Slider Stepping Motor Small Electric Motor 18 Degree Step Angle electronics3 and ping pong robot trainersDC 5V Micro 2 Phase 4 Wire Stepper Motor Linear Rail 48mm Stroke Linear Stage Actuator Lead Screw Slider Stepping Motor Small Electric Motor 18 Degree Step Angle Product Features Fine Design: This rail and linear block are small and light, especially suitable for small teams. The tool is simple and easy to use, strong and durable. Technical Data: Drive Voltage: 5V 12V 100 300mA; Step Angle: 18 degrees; Stage Total Size: 3. 2"x0. 98"x0. 78" (including