Nanotec Stepper Motors: NEMA 6-42. 14-110 mm. Up to 13.5 Nm
Small Reduction Stepper Motor - 5VDC 32-Step 1/16 Gearing | The Pi Hut
Amazon.com: DC 5V 2-Phase 4-Wire Micro Stepper Motor Diameter 15mm 18 Degrees Full Metal Gearbox Precision Gear Motor Ratio 1:50 Mini Stepping Motor DIY for Robot Car Toy Model : Toys & Games
Small Stepper Motor Driver Online/ 57 Closed Loop Stepper Motor Sequre – SEQURE