Tuned nickel machine heads in Fender-style.
The PRT-952-201 is a set of 6 Ratio InvisoMatch Premium Installation Plates, designed for easy installation of Ratio Tuned Machine Heads. Match the correct plates to the current machine head screw position on your guitar. Use your guitars existing mounting holes for a fast, perfect Ratio Installation. It has the modern Fender Style two pin mounting system (slightly larger than the Ratio two pin mount).