GraphtechI nvisoMatch Plates for Ratio Tuners, 'F' Style Screw Hole (set of 6) Black

The PRT-952-217 is a set of 6 Ratio InvisoMatch standard installation plates, designed for easy installation of Ratio Tuned Machine Heads.

It has 'F' Style screw holes.

Match the correct plates to the current machine head screw position on your guitar. Use your guitar's existing mounting holes for a fast, perfect Ratio Installation.