1. Stainless steel wrench and wooden handle, sturdy and durable.
2. Best choice for DIY handmade guitar.
3. This is a very handy tool for acoustic guitar truss rod adjustment, with the smooth wooden handle, you can easier to twist the truss rod.
4. 4mm for the most common guitars, adjust guitar neck straight, can adjust fingerboard radius.
5. Also suitable for mandolin and ukulele.
Material: Metal, Wood
Size: Shown as the picture
Net Weight: 25g
Type: Guitar adjust wrench
Use: Adjust the curvature of guitar neck
1 x Stainless Steel Wrench
1 x Wooden Handle