Mandolin Tuner Drill Jig
Aligns pegholes for trouble-free tuning. Tuning problems are often the result of misaligned pegholes. Our jig ensures the correct spacing.
When mandolin tuners are not installed precisely, they do not perform well. Even a slight misalignment in drilling the holes will prevent the string posts from turning freely.
Our jig for drilling 1/4"-diameter pegholes ensures the correct positioning of the string posts, and keeps your hand drill properly aligned. This is essential for new instruments and also for redrilling existing pegheads. 
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String post spacing | 
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For accurately spacing these mandolin tuning machines  | 
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| 5008 Standard spacing  | 
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29/32" (.906") (23.02mm)  | 
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Waverly, Schaller, Gotoh, Grover, and Golden Age  | 
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Made of machined steel for a lifetime of use and specially coated to resist corrosion. Each jig includes two steel transfer pins, two steel alignment pins and instructions.