Fowler 52-439-031-0 1-2-3 Blocks with 31 Holes w/Case

Condition: Used You are bidding on a very nice Fowler 1-2-3 Blocks with 31 Holes and wood case, No. 52-439-031-0. 1-2-3 Blocks—tolerances guaranteed to .0001" for squareness per inch Thirty-one holes. Blocks are matched in pairs and measure 1" x 2" x 3" Very useful in mounting work for precision grinding, layout work, etc. Blocks hardened to 58-60 Rockwell C Ground to surface finish 6-10 micro-inches Matched accuracy within ± .0002" I will fully guarantee this precision tool. We have lots of quality tools available - see my other auctions. Shipping in the Continental US is $7.90 - - I have very competitive rates for our always welcomed International bidders.