This tool features a metal key ring and utility box cutter blade all in one. The mini manual letter cutter is very convenient for schools or offices. With a contoured plastic body, this mini pocket box cutter has a spring-loaded retractable blade. Just push the button to expose the blade. Can be used for cutting envelopes, food bags, plastic bags, wrapping tape. Conveniently attaches as a keyring or keychain. Great marketing tool for promotional giveaway events.