General description High power and low noise 12V 13 Teeth RS-550VC-8518 gear motor designed for use with the GSR12V-15 electric drill screwdriver. This motor features double ball bearings and is built for longevity, providing high speed and high torque performance. Technical specifications Model: RS-550VC-8518 Voltage: 12V Teeth: 13 Material: Metal Dimensions: Outer diameter for gear: 9.3mm Allowed measurement error: +/- 1-3 cm Compatibility and accessories Compatible with GSR12V-15 electric drill screwdriver Package Contents: 5 x Drill Driver Electric