Dual-Radius Guitar Sanding Block & Sandpaper Options

Use a radius block for fret and fingerboard sanding on compatible guitars or basses. Each block provides two different curved faces, with three radius pairs available.

Match your sanding tool to the fingerboard curve

✅ Work with two fingerboard radii using one block.

✅ Select 7.25/9.5, 10/12 or 14/15-inch radius pairs.

✅ Hold the block through its grooved sides.

✅ Start with the two supplied 600-grit sheets when choosing a block option.

The block is maple and weighs approximately 328 g. Confirm your instrument’s radius before selecting a pair.

A separate ten-piece sandpaper option is also listed; this is not a sanding block. The included sheets for block packages measure approximately 146 × 65 mm.

The block measures approximately 150 × 75 × 35 mm.

Choose the option that fits your project and add it to your setup.