Guitar Fretboard Radius Sanding Block Kit

This guitar radius sanding block kit combines a radius sanding block with luthier's abrasive paper in an assortment of seven grits. It is designed as a complete, consistent, ready-to-use solution for guitar fretboard radius sanding. The kit avoids separate purchases and ensures that the sanding block and guitar abrasive strips are fully compatible.

The guitar radius sanding block helps maintain the exact curvature of the fretboard during sanding. It is used with luthier's abrasive paper strips cut to 70 × 235 mm, a size specifically suited to this type of tool. Together, they allow even sanding without hollows or overworked areas.

The luthier's abrasive paper supplied with this kit is self-adhesive. It is cut in our workshop from professional-grade rolls to provide guitar sanding paper ready for use. Attachment to the block is quick and secure. Strips can be replaced without permanent gluing or complicated handling, making workshop tasks easier.

This guitar radius sanding block kit includes an assortment of seven grits covering every stage of guitar radius sanding. From initial material removal to pre-finishing, progressing through the grits lets you sand fretboards and necks systematically, precisely and consistently. The kit is intended for both professional luthiers and demanding DIY builders who want a dependable, practical set.

Kit contents

• 1 guitar radius sanding block

• 1 strip of luthier's abrasive paper in each grit:

• 60 grit – rough sanding
• 80 grit – shaping
• 120 grit – correction
• 180 grit – preparation for finishing
• 240 grit – intermediate finishing
• 320 grit – refinement
• 400 grit – pre-finishing

Technical specifications

Radius sanding block

• Use: guitar radius sanding
• Compatible with self-adhesive abrasive strips
• Applications: fretboards, necks and curved surfaces

Abrasive paper

• Type: self-adhesive luthier's abrasive paper
• Size: 70 × 235 mm
• Pack: assortment of seven grits
• Use: dry sanding

Compatibility

• Guitar fretboards
• Guitar necks
• Radius sanding blocks
• Wood and composite materials commonly used in lutherie

Recommended use

Guitar sanding paper for sanding guitar fretboards and necks. Suitable for establishing a fretboard radius, precise fitting and preparation before finishing. Ideal for controlled, progressive guitar radius sanding.

Additional information

This guitar radius sanding block kit is a ready-to-use solution designed to simplify workshop work and deliver consistent results. Individual guitar sanding paper strips can be replaced when restocking.

To learn more about shaping a guitar fretboard, see this page.