New!
8" Radius Blocks Essential Set, Set of 5

  • 11 Reviews
  • Write a review

Save money with this set! Our 5 most popular sanding blocks for shaping a radiused fretboard and leveling installed frets. Just add sandpaper.

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New!

8" Radius Blocks Essential Set, Set of 5

Item # 0430
In stock, ready to ship!

$79.75 $63.80

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Quantity: 20

Product Details

Save money with this set! Our 5 most popular sanding blocks for shaping a radiused fretboard and leveling installed frets. Just add sandpaper.

Accurately true or change a fingerboard's radius.
We make these hardwood blocks for use with Stikit Abrasives, to radius a fretboard quickly, accurately and without guesswork.

Shaping fingerboards: use 80 through 220-grit
Leveling frets: use 220 through 400-grit

Set includes the 5 most popular fretboard radii used in guitar building and repair:
7.25", 9.5", 10", 12", 16"

When working on compound radius fretboards, by simply changing blocks as you progress along the neck.

Dimensions: 8" (203.20mm) long x 2-3/4" (69.85mm) wide

See our shorter blocks for spot leveling, and for use as clamping cauls when gluing frets.

What's your radius?
Quickly find the curvature of a fingerboard or bridge with a set of radius gauges. Use them frequently to check your work as you smooth or shape a fingerboard or frets: a quick visual check keeps you from accidentally altering the shape—a mistake that's easy to make and hard to fix.

Radius Gauges


Product Instructions

Radius Block Basics

An explanation of the different uses of a radiused sanding block.

Ratings & Reviews

8" Radius Blocks Essential Set, Set of 5

  • EXCELLENT PRODUCT
  • GOOD PRODUCT
  • AVERAGE PRODUCT
  • FAIR PRODUCT
  • POOR PRODUCT
  • Based on 11 Reviews
Displaying 1 of 2 1 2
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Super easy

By ElectricLarryLand from New Braunfels, Tx
(Customer's Reviews) Thursday, February 13, 2014


I think I may put a little finish on mine just to keep them smooth. Just used the 12" and it really helps keep the radius true.

8" Radius Blocks Essential Set

By Leary Guitars from Australia
(Customer's Reviews) Thursday, October 31, 2013


Great quality, an essential part of any repair shop, very accurate.

Another quality tool.

By Jim J. Donaldson from Findlay, Ohio
(Customer's Reviews) Thursday, August 22, 2013


I purchased the complete set. Then I picked up a few extra of the ones I use the most. Being able to have different grades of paper mounted makes getting the final level a breeze.

Great for the price

By Dogman909 from Galt, CA
(Customer's Reviews) Saturday, December 08, 2012


I bought a set of 8" wood radius blocks. I chose them because they are much cheaper than the aluminum ones. The wood blocks are well made and the radius' are accurate. They make fret leveling much faster and easier than using a flat sanding block. The only thing I can say about them that might be negative is the edges of the blocks splinter slightly. They are still usable, just a little splintered around the edges.

Right tool for the job.

By Reid Hall from New York City
(Customer's Reviews) Tuesday, November 13, 2012


I bought the whole set. There really isn't a better way to get level frets.

Radius-sanding Blocks

By Bryce Didericksen from kansas city, MO
(Customer's Reviews) Wednesday, April 04, 2012


I absolutely love these things. A must have.

Accurate radius blocks

By Ayers Guitar Co. from Phoenix, AZ
(Customer's Reviews) Friday, February 24, 2012


I've used these blocks for years and unless you have a machine to do your radii I suggest you use them too.

awesome product

By will lee from savannah, ga
(Customer's Reviews) Tuesday, January 31, 2012


i bought the set a few months ago and haven't looked back...good value to keep you going until you can get the aluminum ones...great and precise but still not a long term subsitute for the aluminum beams

Ultra precision!

By Wilmer Gingerich from Jamesport MO
(Customer's Reviews) Saturday, December 17, 2011


I have no idea why a shop would do without a complete set of these blocks! With 320 grit 3M self stick paper fret leveling is easy and quick.

fast and accurate

By DT Hawkins-Custom Guitar Tech from Clarksburg WV
(Customer's Reviews) Thursday, March 03, 2011


i was kind of iffy about these blocks, but after using one all i can say is wow Does the work fast and accurate, no guess work. Do yourself a favor and buy a set of each 4 and 8 inch blocks. You will not regret it.

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Shown on page 11 of our latest catalog.