Expansion ring to convert asflashlights D cell LED dropin for Maglite to “C” cell. This sale is for expansion ring ONLY. No bulb is included. Just slip the ring over the base of your bulb and it will then fit C Maglites correctly. Here are links to the newest version of the dropin bulb. Shipping is paid on only the first item purchased so this will ship FREE when you order it along with a bulb. If you have any questions feel free to contact me 🙂 Disclaimer: Adventure Sport Flashlights™ is not affiliated with Mag instrument inc. which owns the MAG family of trade marks including Mag-Lite and Mini-Maglite. My custom shorty flashlights are not made, endorsed, recommended, licensed or approved by Mag instruments inc.