6:1 ratio gearbox with heavy-duty sealed gear differential and extremely adjustable slipper clutch

you'll have to switch connectors

Four (4) AA batteries (#302 Reedy AA Alkaline Batteries)

Leading edge technology with super high 12 bit (4096) resolution

Tamiya - Fine Pin Vise, 0.1-1.0mm Glue Oil & Cleaners Oils Other 6:1 ratio gearbox with heavy-dutyModel assembly often calls for the drilling of holes of various sizes and these Fine Pin Vises are the ideal tools for the job. The Pin Vise S is designed for use with drill bits under 1 mm diameter. Drill bits are not included with this product. Please use it together with the ultra fine drill bit set (0. 3 0. 8mm).