ประแจ สำหรับซ่อมแซมกีต้าร์มาร์ติน

For Martin and Most Acoustic Guitar Two way L-shape truss rod adjustment Neck wrench specialized to the adjusting hole of the guitar neck relatively deep Adjust the guitar neck straight,suitable for Martin guitar, regardless of the types, the piano body shall be general Material: Metal Colour:Black Size:5MM Specifications: Style: 5mm Ball End Size: 12.5*7.5cm/ 5.9 * 1.77 inch Package include: 1 x Guitar Truss Rod Wrench Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.