OLFA-Stainless Steel 9mm Graphics Knife. Cut through film, acetates, paper, matte board, poster board, stencils, balsa wood and more! The stainless steel has a slim design for detail cutting. This package contains one 5-1/4x1/2 inch utility knife with seven blade edges at thirty degree angles that snap off when one becomes dull. (SAC-1, 9150) Made in Japan.