Nema 17 Servo engine closed-loop stepper motor Emm42 V4.2 close loop PCBA board 42 stepping servomotor 3d printer controller

Nema 17 Servo engine closed-loop stepper motor Emm42 V4.2 close loop PCBA board 42 stepping servomotor 3d printer controller
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sku: 1005004783177311
$15.92
Shipping from: China
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