Extended allen wrench for guitar truss rod, perfect for narrow or deep adjustments like those on a martin guitar. The increased length simplifies truss rod tuning.
For adjusting the guitar neck with hexagonal screws that lock in place on the bridge.
L-shaped truss rod adjustment tool with dual functionality, for easy access through the sound hole and neck adjustments.
Dimensions: Hex Size - 4mm/0.16", 5mm/0.2"; Overall Size - 125 x 75mm / 4.9" x 2.95".
Compatible with most acoustic guitars, electric guitars, and bass guitars.