Pololu 12V 298:1 Micro Metal Gearmotor

The 12V Pololu 298:1 Micro Metal Gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 297.92:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.