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Forward or Reverse Direction Metal Extruder Kit with NEMA 17 Stepper Motor for RepRap Prusa i3 : Amazon.in: Electronics
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DC 5-30V CNC Stepper Motor Controller, 1/128 Micro-Step Resolution Forward Reverse Delay Time Angle Speed Adjustable Stepper Motor Control Module with HD Display Suit for Nema17/23 Motor - Motor Driver Module -
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