- Thin wall box end truss rod wrench
- For adjusting Gibson 5/16" brass truss rod hex nut
- Philips head screw driver on handle for removing truss rod covers
- Allparts # LT 4216-000
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Just what I needed for mandolin truss rod adjustment. Thin wall socket fits easily in cavity.
Works perfectly. Fits just the way it should. Wish I had one for each brand of guitar I have. I
Perfect fit and great quality for a Gibson Acoustic