This is a group of three bases, one each of Base Size-0, Base Size-1, and Base Size-2.
Starfire miniatures are "squadron scale" (0.5"-5") miniatures designed for the Starfire Quick Start Rules for miniatures. You can downloads the rules from Wargame Vault at
http://www.wargamevault.com/product/214246/Quick-Start-Rules-for-Miniatures
Starfire products can be found at
http://www.wargamevault.com/browse/pub/9056/Starfire-Design-Studio and
http://www.starfiredesign.com/starfire