RATIO® patented gear technology
RATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
From Low B to High E 48:1, 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.
The PRL-8721-C7 is a right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitar that use 7-in-line 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.