OLFA Multi Purpose Utility Knife 9mm. This basic utility knife is a comfortable knife made for precision cutting. The handle is made from recycled material. Cut through vinyl, paper, film, wallpaper and more! This package contains one 5-3/4x3/4 inch utility knife with thirteen 9x0.38 millimeter blade edges that snap off when one becomes dull. Suggested to use AB stainless steep snap replacement blades. Made in Japan.