Hipshot BT2 Bass Xtender Key (Chrome Finish) Drop Tune (E To D or C) Your USA '67-'82 Fender P & J Bass. Also Retrofits Geddy Lee, Reissue '67-'82 Fender Fits 11/16" Headstock Holes Installation Instructions And Mounting Hardware Included For Use With Hipshot HB2 Tuners