Guitar Fretboard Radius Sanding Blocks – Set of 8, 230 mm

Set of 8 guitar radius sanding blocks – Luthier tools

This set of 8 guitar radius sanding blocks is designed for professional luthiers, amateur guitar builders and instrument restoration enthusiasts.

Made from 3D-printed PLA, these blocks allow you to work on different fingerboard curves on electric guitars, acoustic guitars and basses.

Their 230 × 70 mm size provides a suitable working surface for sanding and shaping fingerboards.

8 radii for different lutherie needs

The set includes the following eight curves:

• 7.25-inch radius
• 9.5-inch radius
• 10-inch radius
• 12-inch radius
• 14-inch radius
• 16-inch radius
• 17-inch radius
• 20-inch radius

This selection provides several common fingerboard curves for building, maintaining or restoring stringed instruments.

3D-printed PLA construction

Each block is made from PLA using 3D printing.

This process produces tools with geometry suited to the desired radius, a rigid structure and a side profile designed for easier handling.

The curved surface is intended to hold suitable abrasive paper for sanding operations.

Technical specifications

Applications

These blocks can be used for:

• Sanding guitar and bass fingerboards.
• Shaping a fingerboard radius.
• Building guitar necks.
• Instrument restoration and maintenance.
• Lutherie work requiring several fingerboard curves.

How to use

Attach suitable abrasive paper to the curved surface of the block. Work gradually along the length of the fingerboard, checking the resulting shape regularly.

Set contents: 8 black PLA radius blocks, one of each radius listed. Abrasive paper not included.