The Excel Blades K1 Light Duty Knife is the ideal precision cutting knife for graphic design work, model making, scrapbooking, and more. This knife features a special screw that offers extra blade security and stabilization and comes with a replaceable, extra-sharp #11 blade and safety cap to ensure you work efficiently and safely. The knife can be used to cut a variety of materials, including cardstock, plastic, wood, cloth, leather, cardboard, vinyl, foam, and more.