●Fits many electric guitars with 10mm (25/64") peg holes and 45 degree screw hole, like Fender Strat/Telecaster style guitars. Note: These peg sets are not actual locking pegs ●1:19 gear ratio for smooth tuning. Modern 10mm (25/64") peg holes Mini oval buttons ●E-Z-LOK feature makes tuning your guitar easy and easy. Please check the product image for installation. Note: All E-Z-LOK tuners use the same "M" height post, so you may need a string tree to use this tuner ●Full metal, sealed design, quality electroplated finish and hardware ●6-row, mounting accessories included