Finally! Change the colors of gems on your dermals without having to mess with unscrewing the tiny tops. Once you screw in one of these magnetic bases, you can just pull the gem off with your fingers and slide a new one on. It is quicker, easier and alot easier on your piercing. Please select gem and the base if you need the whole thing, if you just need the gem choose gem. 

Gem Top Diameter: 4mm (5/32")
Quantity: Price Per 1 magnetic gem top or gem and magnetic base