Magnetic 1-2-3 Blocks

(16 reviews) Write a Review
  • Magnetic 1-2-3 Blocks
  • Magnetic 1-2-3 Blocks
  • Magnetic 1-2-3 Blocks
  • Magnetic 1-2-3 Blocks
  • Magnetic 1-2-3 Blocks
Frequently bought together:


The Magnetic 1-2-3 blocks are the larger, beefed up version our magnetic shop shims. The blocks have 2 powerful rare earth magnets flush mounted on each of 3 different faces while their opposite faces remain without magnets.

​You will find yourself reaching for these all the time instead of digging through the scrap bin.

​If you weld everyday, don’t even bother finding a place to store them, just attach them to the side of your table or table legs.

​Ground parallel and square on all 6 sides.

​Some common uses for these blocks

  • Elevating parts for welding or marking
  • Creating a rest for positioning cross bars



Dimensions: 3.000" x 2.000" x 1.000", oversized up to 0.0005"
Square: +/- 0.0003" all sides
Hardness: 50 HRC
Weight: 1.6 lbs per block
Material: Steel

Magnet strength will vary depending on the thickness of material it is adhering to, but on 1/2" material the pull away force is over 12 lbs.

Magnets can be replaced using the screws, but avoid prolonged exposure to temperatures above 175 F (80 C) as above this temperature magnets may permanently lose magnetism.

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16 Reviews

  • 5
    Nice addition to the welding fixtures

    Posted by Johnny D on Dec 28th 2021

    These help me lay out my work with magnetic pull that is strong enough to hold a work piece properly. I should have bought these sooner, but am glad I have them now!

  • 5
    Must have tool

    Posted by Ralph Cohen on Nov 9th 2021

    Extremely well machined. Very accurate and the magnets keep them in place making life easier.

  • 5
    1-2-3 magnetic blocks

    Posted by Jeffrey Hevner on Aug 17th 2021

    These blocks are a 1 of a kind item , not only can you use them to space materials 3 different heights they’re heavy enough to use as a weight for holding gasket material down with the magnets in the blocks and trace templates out and there’s a lot more things to use them for great tool

  • 5
    1,2,3, blocks

    Posted by Bruce W Paul on Dec 12th 2020

    Great addation to my drill press

  • 5
    My expectations were met

    Posted by John Flowers on Nov 18th 2020

    I am extremely pleased with these 1-2-3 blocks. Very high quality, with high tolerances. Will last a lifetime.

  • 5

    Posted by Noel Paterson on Aug 16th 2020

    great tool

  • 5
    They are a hit with the person I bought them for

    Posted by Tabitha Lindahl on Jul 27th 2020

    Theyre a hit with the person I bought them for

  • 4
    Magnetic 1-2-3...

    Posted by John Dodge on Jul 16th 2020

    Magnetic 1-2-3 Blocks

  • 5

    Posted by Dean Siemion on Jul 1st 2020

    Man takes the guesswork out of spacing !

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