Unique rivet assembly permanently bonds head to blade. Head will stay square for life of product. Extruded aluminum 3/16 blade and head thickness. Clear protective anodized finish. Screened thermal bonded black 1/8 graduations are large and bold for easy reading.
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DRAFTING TOOL: This 48 T-Square Ruler has a unique rivet assembly that permanently connects the 1/8 head and blade; ensuring that it remains square
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