In this file photo, Jeff Kempker holds Klever Kutters, a safety box cutter, that he invented in 2003 following the 9/11 terrorist attacks. The growing company is moving into a new 80,000-square ...

Klever Kutter is a cheap and cheerful safety knife that’s manufactured in Michigan and retails for just $2. ... Most people’s box-cutter ownership begins and ends with a retractable knife, ...