4mm & 5mm Guitar Truss Rod Adjustment Wrench for Martin Acoustic Electric Guitar

4mm & 5mm Guitar Truss Rod Adjustment Wrench Guitar Wrench Set for Martin Acoustic Electric Guitar

Description: ·Neck wrench specialized to the adjusting hole of the guitar neck. ·Adjust the guitar neck straight,suitable for Martin guitars.

Specifications: Condition: New Color: Black Hex size: 4mm & 5mm Size: As shown in the picture. There might be little error of size for manual measurement.

Package Includes: 1 x 4mm Guitar Wrench 1 x 5mm Guitar Wrench