Hipshot BT10 Bass Extender Key for Japanese Fenders Black Package includes the Hipshot D-tuner, small wood screws, and the instructions These tuning pegs are designed to retrofit Japanese Fender J, P, and Reissue basses, and offer precise tuning, to give you one less thing to worry about Installation is easy, as you only need a small Phillips screwdriver The guitar hardware package includes the Hipshot D-tuner, small wood screws, and the instructions