Allen wrench sizes for USA G&L instruments over the years.
Updated 3/14/2011
From G&L, Greg Gagliano, and Craig Dewey
For guitars and basses manufacturered through 2005.
| Adjustment Type | Wrench Size |
| Saddle height, Dual Fulcrum Vibrato | .050" |
| Saddle height, Guitar Saddlelock Bridge | .050" |
| Saddle height, Bass Saddlelock Bridge | 3/32" |
| Saddle height, Fine Tuner Vibrato | .050" |
| Saddle height, Kahler 2320 | .050" |
| Tilt neck adjuster | 3/32" |
| Saddlelock Bridge saddle lock nut | 5/64" |
| Vibrato arm set screw, Dual Fulcrum Vibrato | 5/64" |
| Vibrato arm set screw, Fine Tuner Vibrato | 5/64" |
| Truss rod | 1/8" |
| MFD polepieces | 5/64" |
| Studs, Dual Fulcrum Vibrato | 1/8" |
| Studs, Fine Tuner Vibrato | 1/8" |
| Guitar Tech locking nut | 7/64" |
For USA guitars and basses manufacturered 2006 to the
present. Tributes would use these as well.
| Adjustment Type | Wrench Size |
| Saddle height, Guitar Saddlelock Bridge | 1.5mm |
| Saddle height, Bass Saddlelock Bridge | 2mm |
| Saddlelock Bridge saddle lock nut | 2mm |
| Vibrato arm set screw, Dual Fulcrum Vibrato | 2mm |
| Truss rod | 4mm |
| MFD polepieces | 2mm |
| Studs, Dual Fulcrum Vibrato | 3mm |