Remember the No. 2 pencil? A skinny, yellow tool that determined your future? As students we were always given a No. 2 pencil to answer questionnaires in class. Why a No. 2 Pencil? The number represents the hardness of the metal. The lower the number, the softer the metal. Early machines that scanned and scored tests couldn’t detect marks made by hard pencil metal. Marks from by No. 3 and 4 pencils resulted in erroneous results. No. 1 pencils were too soft and smudged on the tests. So, No. 2 pencils were the Goldilocks answer – just right. Non-Lead, Lead Pencils? Modern lead pencils do not contain lead as the “lead” of the pencil is actually a mix of finely
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