Key Box CutterOpen all of your happy mail packages with the Key Box Cutter. You can even use it to cut strings. Huzzah! The original carry anywhere pocket knife. Keys were made to lock and unlock, but it's no secret that they're routinely overworked with odd jobs and household tasks. The Key Cutter is a far more efficient tool for opening boxes, letters, cutting string really any job that needs a sharper edge. And along with your house keys, it's always on hand