lever shears[′lev·ər ‚shirz]
A shears in which the input force at the handles is related to the output force at the cutting edges by the principle of the lever. Also known as alligator shears; crocodile shears.
alligator shears, lever shears
Wide-jawed shears, resembling the jaws of an alligator, used to cut sheets of metal; operated by a foot lever.