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Shock Absorbers and Shields Stop the Lead in This Pencil From Breaking

It might seem like a case of over-engineering, but there's no denying the thin pieces of lead used in mechanical pencils are prone to easily breaking. So instead of rolling our eyes at Zebra Co.'s new DelGuard pencils, which actually feature shock absorbers and retractable shields to prevent lead from breaking, we… » 10/08/14 9:00am 10/08/14 9:00am