Changing the Tuner Buttons on a MIM Strat - YouTube
BQLZR White Pearl Universal Guitar Tuner Machine Head Square Buttons Tuning Key Replacement Pack of 6 : Amazon.co.uk: Musical Instruments & DJ
PATIKIL Guitar Tuning Peg Button Machine Head Oval Acrylic Buttons Brown for Electric/Folk/Acoustic Guitars with 6 Screws 12 Ferrules : Amazon.co.uk: Musical Instruments & DJ
6 PCS Tuner Buttons Guitar Machine Head Semicircle Tuning Peg Knobs Replacement with Ferrule and Screw(Oval white pearl) : Amazon.co.uk: Musical Instruments & DJ
6Set Guitar Tuning Tuner Buttons,Peg Buttons Black Ebony Metal Guitar Tuner Machine Head Semicircle Buttons Replacement for Electric Guitars and Folk Classical Guitars(Large (small square) : Amazon.co.uk: Musical Instruments & DJ