Graph Tech PRL-8311-B0 Ratio 3+3 Electric Guitar Locking Machine Heads (Contemporary Style/Black Finish)

Graph Tech PRL-8311-B0 Ratio 3+3 Electric Guitar Locking Machine Heads (Contemporary Style/Black Finish)The PRL 8311, 8322, 8331, 8341 are right handed sets of Locking RATIO calibrated machine heads for electric guitar that use 3 x 3 tuners, such as Gibson and PRS style guitars. A great upgrade from single gear machine heads, such as Grover, Schaller, Sperzel, Kluson, etc. Patented RATIO RATIO Gear Technology 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:

The PRL-8311, 8322, 8331, 8341 are right-handed sets of Locking RATIO® calibrated machine heads for electric guitar that use 3 x 3 tuners, such as Gibson and PRS style guitars. A great upgrade from single gear machine heads, such as Grover, Schaller, Sperzel, Kluson, etc. Patented RATIO® RATIO® Gear Technology - 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 have balanced the gear ratios for each string simplifying the tuning process. With RATIO®, a half turn is a half tone! Each string responds the same to any tuning setting. Predictable and precise tuning, on every string.

Specifications

• Gear ratio: unique for each string position - one turn-one tone
• Required dowel hole diameter: 13/32" (10 mm)
• Rope Post Diameter: 0.236" (6mm)
• Length from rope post to rope hole: 0.910" (23 mm)
• Weight per single machine head: 0.083 lb (38 g)
• Weight per set of six: 0.496 lb (225 g)
• Rope diameter up to 72 gauge
• Includes 6 machine heads, mounting screws and sockets
• Includes 4 free sets of aluminum mounting plates