This company now offers utility knives with the Lenox Edge, a patent-pending bimetal blade that company officials say lasts three times longer than those made of typical carbon. It is also shatter-resistant. Some models feature handles with an ergonomic grip.

Americian Saw & Manufacturing Co., 301 Chestnut St., East Longmeadow, MA 01028; (800) 628-8810; fax (800) 223-7906.

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