Thos craft knife offers superior precision cutting and ergonomic control. The #1 craft knife is perfect for cutting lightweight materials, such as paper, plastic, balsa, thin metal, cloth, film and acetate. Made with a rear blade release and a soft ergonomic grip, the X-ACTO crafting knife was designed with safety and comfort in mind. This black craft knife can be fitted with Nos. 10, 12, 13, 16 and 17 X-ACTO blades. Contents:Black #1 craft knife#11 bladeSafety cap