Amazon.com: Twotrees Stepper Motor Nema 17 Motor High Torque 1.5A (17HS4401) 42N.cm (60oz.in) 1.8 Degree 38MM 4-Lead with 1m Cable and Connector for 3D Printer : Industrial & Scientific
Amazon.com: STEPPERONLINE Stepper Motor Nema 17 Bipolar 40mm 64oz.in(45Ncm) 2A 4 Lead 3D Printer Hobby CNC : Industrial & Scientific