The X-ACTO X3000 Knife is perfect for professional artists, designers and students who need to store their X-ACTO blades for easy access. The back of the knife unscrews to store up to 5 extra # 11 blades (3 blades and a safety cap are included with this package). A textured no-slip grip improves comfort during usage and the anti-roll handle helps to prevent knife from falling off desk or table. It is made for delicate, precision cutting, trimming and stripping, and easily cuts paper, plastic, balsa, thin metal, cloth, film and acetate.