Check the listing for details. Music Nomad Fret Shield (MN801) Fretboard Protector. Condition: New. Listed at 90.94 USD. There's nothing like peace of mind while saving time and money. MusicNomad's patent-pending Fret Shield sets a new, higher standard for complete fretboard protection during fret work such as polishing, dressing and fret crown finishing. Say "NO" to blue tape with the reusable design that can be applied in seconds, fully protects the fretboard without damaging it, and is designed for hundreds of fret jobs. The high-quality stainless steel has the perfect thickness of 0.008" (0.20 mm), is manufactured using a precise, burr-free process and leaves all edges smooth and rounded. The innovatively shaped drop-down edges allow the included rubber bands to securely hold the Fret Shield in place and keep the bands below the surface to avoid damaging them during polishing. Fret Shields are available.