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Precisely ground along the entire length of both edges, these steel straightedges are reliable reference tools for checking if surfaces are flat or straight and for accurately adjusting machinery. The 12", 18" and 24" sizes are 11/64" thick by 1 13/32" wide, and the 36" and 48" lengths are 7/32" thick by 2 13/32" wide. Their thickness allows them to stand on edge unsupported, leaving your hands free for measurement or tool adjustment. Finely finished, all are accurate to ±0.0002" per foot.

Made in USA.

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