Machinist Square Set, 2-Piece High Precision Square Woodworking Wide Base Square Tool Right Angle Square L-Type Measuring Tool, 4-in & 6-in Squares

Features 2-piece set of precision machinist squares and are perfect for the professional machinist, meticulous woodworker, or DIY perfectionist Accurate Measurement The machinist square was designed with an inside notch for increased accuracy, which can accurately measure the vertical deviation of the inner and outer corners; precise 90 degree angle without discrepancy, ensuring correct measurement data Durable and Safe Made of hardened, tempered, and polished steel, beams and blades are ground and polished for parallelism.