MMdex 4mm Ball End Truss Rod Adjustment Long Wrench for Martin Acoustic Guitar

Description

Features: 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. Specifications: Material: Metal Style: 4mm Ball End,5mm Ball End (Option) Size: 12.5*7.5cm/ 5.9*1.77" Package includes: 1 X Guitar Truss Rod Wrench