Accurately true or change a fingerboard's radius These 8" radius-sanding blocks are for consistent, full-fingerboard radius leveling of frets or fingerboards when used with sandpaper. They create an accurate playing surface radius, quickly and without guesswork.
Sold individually or SAVE when you buy the set of all seven radius-sanding blocks.
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Each hardwood block is 8" (203.20mm) long and 2-3/4" (69.85mm) wide.
We make these economical blocks for use with 220/320-grit self-stick sandpaper when leveling frets, and 80/120-grit when shaping the fingerboard.
Tip: It’s a great clamping caul for glue-in fret jobs, too. Stikit 3M Gold Paper Self-adhesive Abrasives are our favorite abrasives for radius-sanding blocks. It cuts like a file and doesn't "load up" like ordinary sandpaper.