4mm/5mm Ball End Guitar Truss Rod Tool Metal Acoustic Guitar Wrench Regular Hex Wrench Truss Rod

Label:Yes Diameter: Approx. 4 or 5mm(0.20in) / 0.2in Brand new and high quality! Suitable for Martin Martin all models and some brands of folk classical acoustic guitar use Function: Martin adjustable spanner, adjust the guitar neck straight Name: Allen Wrench Size: 12.5*7.5cm(4.92*2.95in) Material: Metal Color: Silver, Black

Package included:1Pcs Allen Wrench

Notes: Please allow 0-3cm(0.00-1.18in) error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!