Pololu 12V Pololu 100:1 Micro Metal Gearmotor w/ Extended Motor Shaft

The 12V Pololu 100:1 Micro Metal Gearmotor w/ Extended Motor Shaft is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 100.37:1 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. This version also has a 4.5 × 1 mm extended motor shaft. 320 RPM and 100 mA with no load; 30 oz-in (2.2 kg-cm) and 0.8 A at stall; Long-life carbon brushes; 100.37:1 metal gearbox; Compatible with 12 CPR Magnetic Encoder P...