Set of 10 #47 Pinball Light Bulb Lamps 6.3V. These lamps are the highest rated economy mini lamps in the industry. This bulb is slightly cooler and emits a little less light than the #44 bulb 6.3V, .15A with a bayonet base. Preferred by many O.E.M.s. Used on most pinball machines .They will also work on most coin operated video games. We also carry all of the light bulbs, coils, plastics, etc. you may need for your pinball machine.