1. For Martin or other guitars that cannot be adjusted with a regular hexagon wrench truss rod.
2. Two-way L-shaped truss rod adjustment tool.
3. Made of carbon steel, durable and highly wear-resistant.
4. Suitable for most acoustic guitar, electric guitar and bass.
Type: 4mm + 5mm
Applicable instrument: for Martin guitar
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.
1 X 4mm Guitar Wrench
1 X 5mm Guitar Wrench