Tuner Pin Drill Locator saddle Thickness-

Thickness-

or 150 grit

so you may get the channels too deep or too shallow

Two Wide and Flat feet allow the gauge to sit stably on the frets to get more accurate relief measurement

Tuner Pin Drill Locator saddle Thickness-The Tuner Pin Drill Locator can locate tuning machine pin mounting holes accurately and quickly, it aligns the hand drill and keeps the drill bit perpendicular to the peghead. The set of two drill jigs can self center and also self align by attaching the included flat plate, allows you to accurately drill mounting holes for two tuners in one installation. The Tuner Pin Drill Locator works for left and right side tuners, it can locate Fender single pin