Item #1584930 Model #PRL-9721-C7

Graph Tech Ratio 7-In-Line Electric Locking Tuning Machine Heads With Staggered Posts Chrome 7 String

$159.60

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Locking Ratio calibrated machine heads for electric guitars that use 7-in-line tuners with staggered posts.

The Graph Tech Ratio 7-in-line electric guitar locking tuning machine heads with staggered posts incorporate different string gauges into the tuning equation. Graph Tech 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 adjustments, delivering predictable, precise tuning on every string. The Graph Tech PRL-9721-C7 is a right-handed set of locking Ratio calibrated machine heads for electric guitars that use 7-in-line tuners with staggered posts (eliminates the need for a string tree).

It has a two-pin casing that can be used as is, or with Graph Tech’s InvisoMatch mounting plates. Four 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.
Specifications
  • Gear ratio: 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1
  • Peg holes diameter required: 13/32" (10mm)
  • String post diameter: 0.236" (6mm)
  • String post length to string hole: 0.827” (21mm) - 0.787" (20mm) - 0.748" (19mm)
  • String diameter up to 72 gauge

Features

  • Includes:
  • 7 machine heads, mounting screws, and bushings
  • 4 complimentary sets of aluminum mounting plates