PATIKIL Guitar Fingerboard Guard Stainless Steel Fretboard Protector Black for Dressing and Polishing Frets

This is a fretboard protector tool. Perfect for protecting your guitar or bass fretboard from scratches and damage when filing or polishing. Guitar fretboard size: Size 1: 78 x 22 x 0.5 mm; Size 2: 78 x 13 x 0.5 mm(L*W*T). Package content: 1 set string spreader Made of stainless steel that is not easy to rust and deform. Provides a good user experience and is necessary for guitar maintenance. Installation instructions: 1. Grind the gasket with your curved finger. 2. Adjust until the gasket matches the arc of the fingerboard. Please be careful when using it to avoid accidentally cutting or damaging it. What is this? This is a fretboard protector tool. Perfect for protecting your guitar or bass fretboard from scratches and damage when filing or polishing. What do I get? Guitar fretboard size: Size 1: 78 x 22 x 0.5 mm; Size 2: 78 x 13 x 0.5 mm (L*W*T) Package content: 1 set string spreader Are there any product benefits? Made of stainless steel that is not easy to rust and deform. Provides a good user experience and is necessary for guitar maintenance. How to use it? 1. Sand the gasket with your curved finger. 2. Adjust until the gasket matches the arc of the fingerboard. What should I be careful about? Please be careful when using it to avoid accidentally cutting or damaging it.