Stepper Motor - NEMA 23 - 125 oz.in (200 steps/rev)

Stepper motor NEMA 23: 200 Steps, 56x56mm, 3,0A - Watterott electroni

Endurance R/C - Motors

Pololu - Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm

Pololu - Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm

Stepper Motor - 68 oz.in (400 steps/rev) - ROB-10846 - SparkFun

Pololu - Stepper Motors

Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 3.6V, 2 A

Stepper Motor Mount - NEMA 23 (Actobotics) - ROB-12989 - SparkFun

Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 3.6V, 2 A/