Multi-purpose heavy-duty cutter. Contoured handle includes a stainless steel blade channel and ratchet wheel blade locking mechanism. For cutting General cutting, paper, cardboard, shrink-wrap. Comes with one blade strip. Each blade strip has eight cutting edges. Blade strip is produced using Olfa's precise multi-step production process for amazing sharpness and superior edge retention. Pack of five or 10 replacement blade strips sold separately.