20.4:1 Metal Gearmotor 25Dx50L mm HP 12V (POLOLU-3203)

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This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 20.4:1 metal spur gearbox. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

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What kind of driver would work with this motor? I want to run a robot with four motors on it.