Graph Tech PRN-2311 Ratio Electric 3+3 Tuned Machine Heads – Contemporary Style

The PRN-2311, 2341 are a right-handed sets of RATIO® Calibrated Machine Heads for electric guitar that use 3 x 3 tuners.

It has a two pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates

4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.

RATIO® patented gear technology
RATIO® – Calibrated Machine Heads incorporate different string gauges into the tuning equation.

From Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1.

We balanced the gear ratios to each string simplifying the tuning process.

With RATIO®, a half turn is a semi-tone!

Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.