Fowler 2", 3", 4" and 6" Hardened Steel Square Set 3D • O-ring seal on safety

• O-ring seal on safety cap

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Fowler 2", 3", 4" and 6" Hardened Steel Square Set 3D • O-ring seal on safetyMade of hardened steel, these economy squares have true right angles both inside and outside. Beams and blades ground and lapped for straightness and parallelism. Length of hardened blade is measured from inner edge of beam to end of blades. Designed for schools, apprenticeships and training programs. Beam grooved at inner corner for clearance of burrs and dirt. Squareness of the blade edge to the working face of the stock is . 0006"