Every inch a Gibson, the J-15 is handcrafted from solid North American tone-woods, sitka spruce top, walnut back and sides, and a maple neck. Built by our master-craftsmen using the same methods as all Gibson Acoustic models, the J-15 has a hand-fitted dovetail neck-to-body joint secured with hide glue to ensure resonance from strings to body.Truss Rod CoverNew 2016 engraved truss rod coverImproved FeelFingerboard edge is softened to comfortably fit the contour of the player's handEnhanced FinishFiner grit sandpaper and polishing compounds for gloss finishPremium SetupUtilizing state-of-the-art German engineered Plek technology to create the finest playing surface possible. Hand finished for the world's finest feel and playabilitySmoother hand rubbed and oiled fingerboard and bridgesNew penetrating and finishing oil lasts longer and maximizes wood’s natural vibrancy New and Improved for 2016Truss Rod Cover: New 2016 engraved truss rod coverImproved Feel: Fingerboard edge is softened to comfortably fit the contour of the player's handEnhanced Finish: Finer grit sandpaper and polishing compounds for gloss finishPremium Setup: Utilizing state-of-the-art German engineered Plek technology to create the finest playing surface possible. Hand finished for the world's finest feel and playabilitySmoother hand rubbed and oiled fingerboard and bridges: New penetrating and finishing oil lasts longer and maximizes wood’s natural vibrancy