Product: Mr.Power 5mm Ball End Allen Wrench For Guitar Truss Rod Adjustment (1 pcs)
Brand: Mr.Power
For USA Martin acoustic guitar, If use it for other brands of guitars. Please confirm the size of truss rod.  
5mm ball end two way  
L-shape truss rod adjusment 12.5cm x 7.5cm  
Package included: 1 Guitar Wrench
Package : 1pcs Wrench
For USA Martin acoustic guitar, If use it for other brands of guitars. Please confirm the size of truss rod.
Two way L-shape truss rod adjusment
5mm ball end
12.5cm x 7.5cm

Search query: truss rod wrench
Relevance: Exact