Guitar Wrench Black Ball Head Silver Ball Head Metal Wrench Tool Guitar Allen Wrench for Martin Acoustic Guitar Guitar Truss Rod Adjustment 4pcs

Material : made of metal, strong and durable, not easy to break

L-shaped Truss Rod : guitar wrench tool can be easily inserted into the sound hole and adjust the neck

Purpose : Adjust the straight neck of the guitar, suitable for Martin guitar

Delivery Quantity: 4pcs

Package Contents: Only the above package contents, excluding other products.

Size: 12.5*7.5cm

(Reminder: The size is measured manually, please allow 1-2 cm measurement error)

Color: silver + black

(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)