The SoundFile Master's Set is the complete nail care arsenal for serious guitarists — everything you need, nothing you don’t. Inside you’ll find our ultra-precise Nano Glass File for smooth finishing, the Sapphire Metal File for dialing in your shape, and our popular 500-grit silicone carbide sandpapers for those final microscopic adjustments. It all lives in a sleek carrying case designed to tuck neatly under your guitar’s headstock, so your entire nail studio travels wherever your guitar does. Whether you’re fixing a crack before a concert, refining your attack in the practice room, or chasing that perfect tone before stepping on stage, the Master Set gives you the right tool for every nail situation...because great tone begins long before the first note.