Thanks for your interest in the Seymour Duncan pickups. We are supplying pickups on an OEM basis to LSR Guitars (a/k/a Ed Roman Guitars) located in New Fairfield, CT, along with a limited number of brands that are either built for Ed Roman Guitars or are distributed by Ed Roman Guitars. These brands include LSR Guitars, David T. McNaught Guitars, Gary Jacobs Guitars, Gledura Guitars, Jaros Guitars, and Jet Guitars. Each brand uses a proprietary pickup design called Black Backs which is built to Ed Roman's specification. If you want more information on the Black Back pickups or guitars, please check out their website at (http://www.edromanguitars.com).