Mini Motor Wheel Set (Motor +Wheel +bracket)

From the shop's description

This motor kit includes high quality metal gear with matched Pololu wheel 42x19mm and a mounting base bracket specifically designed to securely mount the gearmotor. The motor has a long (0.365″ or 9.27 mm), D-shaped metal output shaft that matches the Pololu wheel 42x19mm. The brass faceplate has two mounting holes threaded for M1.6 screws (1.6 mm diameter, 0.35 mm thread pitch) Features Gear ratio: 100:1 rpm @ 6V: 120 Rated current: 30mA @ 6V Stall current @ 6V: 420mA Rated torque @ 6V: 150 g.cm Stall torque @ 6V: 540 g.cm