GrooveTech Tools (formerly Cruztools) Acoustic Guitar Tech Kit, GTATC1, provides everything you need to adjust your guitar perfectly plus an easy set-up guide: 4 mm and 5 mm hex wrenches, locking bit driver with bits, capo, string winder, telescopic mirror, easy set-up guide, polyester pouch with clear vinyl cover, pick pocket, compartment for manual and strings, pro-grade quality