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Feature

World's finest machine heads
Keep your guitar in tune
Fits most guitars without modifications
Lifetime Warranty
Made in the USA
The shaft diameter (area going through the headstock) is 9.8mm (.39'')

Description

These guitar machines are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. This eliminates backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Gear box has a special lubricant for lifetime, trouble-free service. Includes 5/8 washers, bushings and wood screws.