Junterone Bridge Grinding String Nail Grinding Stone Polishing Instrument Polishing Grinding Stone

Versatile grinding tool: The teal polishing block has a coarser grain, perfect for initial rough grinding. Material: These fret polishing blocks are made of high-quality grinding stones and are . They are perfect for repeated use, ensuring your guitar maintains its best playability and appearance. Designed to handle all of fret maintenance from rough grinding to fine polishing. Extremely versatile, it can be used not only to sand and polish guitar frets, but also bridges, nuts and saddles.