Listing is for 10 *SUPER BRIGHT* Blue and Green 12V Instrument Panel LEDs with 3/8" twist-in instrument panel light bulb sockets LEDs are removable from Sockets.Contains: 5x Blue, 5x Green LEDs with socketsSockets: Bulb socket fits a 3/8" or 9.5mm diameter hole. For Sub Mini Wedge LEDs compatible bulb numbers: 206 207 286 306 307 308 406 407 2721 T5 17 18 27 37 58 70 73 74 79 85 86 LEDs: These are replacements for the T5 sub mini wedge base incadescent bulbs and their 3/8" sockets. Compatible with: 206 207 286 306 307 308 406 407 2721 T5 17 18 27 37 58 70 73 74 79 85 86White LED's generally look good installed behind your gauges for better illumination, while colored LED's generally look good behind the corresponding indicator lenses on your instrument panel and produce a much more vivid color (Ex: Amber behind seat belt/check engine lenses, red behind oil/generator lenses and green behind turn signal lenses).Will light your instrument panel gauges over twice as bright as OEM bulbs.We also have White, Red, Yellow, Green, and Blue LED bulbs see our eCRATER Store for those listings.NOTE: We do not split colors. This listing is for one color only, but we offer ASSORTED color packs of LED bulbs which are available in our eCRATER Store. (example: 2 red, 2 green, 2 white, 2 blue and 2 yellow)Wedge type LED's are polarized, if they don't light simply turn them around to reverse polarity (+ -).WE SHIP WORLDWIDE!!!