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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: Amazon.com: Industrial & Scientific
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Stepper Motor Linear Actuator - Non-Captive - SMA-11DN-018050-2.1V - Stepper Motor Linear Actuator - Non-Captive | Acme Screw, Lead Screws, linear actuators, hybrid stepper actuators | Helix Linear Technologies
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