776629 4 Piece Set of Solid Machinist Squares, 2-3/4, 3-3/4, 4-3/4 and 6-3/4 inch Accurate to 0.001

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This is a 4-piece set of precision machinist squares. The set includes the following squares: 2-3/4, 3-3/4, 4-3/4 and 6-3/4. These squares are perfect for the professional machinist, meticulous wood worker, or DIY perfectionist. Each square is made from 2 pieces of tool steel. The bases and blades are riveted together with 2 tapered pins producing a strong and invisible joint. All faces and edges are ground and lapped for straightness and parallelism. Each square guaranteed to be accurate to 0.001" over the length of the blade. Comes in a hinged plastic storage case.