KAISH 7.25" Fingerboard Radius Sanding Block – Guitar Bass Fret Leveling Luthier Tool

Level those frets like a pro.

This 7.25-inch radius sanding block is built for fret work on guitars and basses with vintage-spec fingerboards.

Perfect for recrowning, leveling, and dressing frets without flattening the curve.

Brand is KAISH, but MPN and UPC don’t apply.

It’s a simple block — but without it, you’re just guessing.

Holds sandpaper securely, keeps your radius consistent across the board.

Whether you’re a weekend luthier or setting up your own axes, this tool pays for itself after one use.

No electronics, no moving parts — just precision geometry.