Description
The PRL-8521 is a right-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that uses a 4 x 3 tuner configuration.
Fits many Gibson/Epiphone, PRS-style guitars, and any other guitar with a 4+3 headstock.
It has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [opens in new tab].
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.
Gear ratio: unique for each string position - one turn-one tone
Peg holes diameter required: 13/32" (10mm)
String post diameter: 0.236" (6mm)
String post length to string hole: 0.910” (23mm)
Weight per single machine head: 0.083lbs (38g)
Weight per set: 0.581lbs (266g)
String diameter up to 72 gauge
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. Includes 7 machine heads, mounting screws, and bushings
Includes complimentary 4 sets of aluminum mounting plates.
