Kluson KB3 Keystone Guitar Tuning Machines – 3-Per-Side Bolt Bushing Gold April 14, 2011/in All About Guitars /by sheetmusic$89.50 New “16:1 gear ratio. 25/64″” shaft size.”Kluson KB3 Keystone Guitar Tuning Machines – 3-Per-Side Bolt Bushing Gold http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg 0 0 sheetmusic http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg sheetmusic2011-04-14 13:36:072011-04-14 13:36:07Kluson KB3 Keystone Guitar Tuning Machines - 3-Per-Side Bolt Bushing Gold