Features:
- Suitable for Martin guitar and specialized to the adjusting.
- The function of adjustments is great and easy to use.
- Made of steel material, super sturdy and durable ,not easy to break. br> - L-shape truss rod, convenient to insert the sound hole and adjust the neck.
- This hexagonal wrench can be used to adjusted the guitar neck straight.
Specifications:
Item Type: Guitar Adjustment Wrench
Material: Metal
Color: Black
Hex Size: 4MM/0.16"; 5MM/0.2"
Package Included:
1 x 4mm L wrench
1 x 5mm L wrench