Musiclily Basic 5mm Guitar Truss Rod Hex Wrench Allen Key Ball End Adjustment Tool for Martin Acoustic Guitar(Set of 2)
1.Fits most Martin acoustic guitar or similar size acoustic guitar
2.Dimension: 153x32mm(6x1-1/4 "); 5mm diameter
3.L shape, hexagon wrench with ball end design for easy insertion into truss rod adjustment
4.Hard steel made, durable and high wear-resistant
5.Package includes: 2 pieces wrenches