Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, these Grover 133NK Deluxe machine heads in NICKEL are a timeless achievement for guitar tuning.
The classic keystone machine key look just like what you'd find on a Gibson type guitar.
These Grover vintage machine heads have a 15:1 gear ratio.
Worm and gear are cut to mesh perfectly, thereby eliminating backlash and increasing longevity and stability.
This genuine Grover machine head set is a perfect replacement for a Gibson style guitar where you have 3 heads on either side of the headstock.
If you're looking to upgrade the parts on your guitar this is one of the best upgrades you can do to easily increase the integrity of your instrument.
Hole size .359 - 23/64