Jiayouy 4mm & 5mm Ball End Truss Rod Adjustment Wrench for Martin Acoustic Guitar Black

Product Details

• Made of carbon steel, durable and highly wear-resistant.
• 4 & 5mm ball end guitar truss rod, Size:12.5cm x 7.5cm.
• For locking hexagonal screws on the bridge, adjusting the guitar neck.
• Two way L-shape truss rod adjusment, 90° Bend no creases, no damage to material.
• Suitable for Martin acoustic guitar, If use it for other brands of guitars. Please confirm the size of truss rod.

Features:- Suitable for Martin guitar and specialized to the adjusting.- The function of adjustments is great and easy to use.- Made of steel material, super sturdy and durable ,not easy to break. br> - L-shape truss rod, convenient to insert the sound hole and adjust the neck.- This hexagonal wrench can be used to adjusted the guitar neck straight.Specifications:Item Type: Guitar Adjustment WrenchMaterial: MetalColor: BlackHex Size: 4MM/0.16"; 5MM/0.2"Package Included:1 x 4mm L wrench1 x 5mm L wrench