1-2-3 blocks requires creativity because they can be used in many ways. Here's your introduction to 1-2-3 blocks.

Jun 21, 2013 · 23 hole 123 blocks are the most popular seller. I have never understood why. I prefer the blocks without any holes. I would like to hear your comments about your experience …

Jun 21, 2013 · We received so many emails regarding our last video on 123 blocks that we felt the need for some additional information. We want to show what the differences are on video as …

Jun 28, 2007 · I have a feeling that I am missing something with 123 blocks. What are the various uses around your shop?

Aug 30, 2006 · 1-2-3 blocks are precision made square and parallel machine and inspection accessories used as parallels, quick and dirty fixturing, machine set up, you name it. A set of …

Nov 3, 2021 · I can buy 123 blocks from ebay for $45 for 10 blocks (5 sets of 2). These are advertised to be square and parallel and on dimension to .0002". From what I measure, this is …

Sep 12, 2004 · I use 123 blocks for all the above, but was too cheap to spring for a set of 246 blocks until yesterday. Airgas/Rutland has them on sale for $49.95, I don't think they have a …

Oct 23, 2003 · I've gotten to love using 123 and 246 blocks in my sinker edm. which is fine because they are under oil. Recently been abusing some 123 blocks on my wire edm (water) …

Apr 5, 2010 · I took some scrap O1 and made half-1-2 blocks though with a counterbored hole for a 1/2-13 that is at the same height as a Kurt vise hole: stop that can be bolted right to the vise …

Dec 16, 2009 · I prefer a fully hardened set of 123 blocks over case hardened. Don't worry about stress cracks; you can have them in both case hardened or fully hardened material, though …