Tesa Brown & Sharpe Blocks Set,3" L x 2" W x 1" H,23 Holes 599-750-10

Ultra Precision Ground 1-2-3 Block Set Features Supplied in custom molded case Ideal for precision layout and setup Each block is ground and case hardened on all six surfaces Surface finish 6 to 16 micro inches Squareness on all sides to .0001" Oversized to allow for normal tapping .0001" - .0003" Case hardened to 50-60 HRC Set consists of pair of 1 x 2 x 3 inch blocks Five 3/8-16 stainless steel socket head cap screws and a hex key wrench - SKU: QLLR1189

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