Retract-A-Blade KnifeFully retractable, safe #1 knife. Soft, comfortable grip with triangle shape for extra control. Use for delicate, precision cutting, trimming and stripping. Easily cuts paper, plastic, balsa, thin metal, cloth, film and acetate. Includes #11 classic fine point blade that is easily replaceable. Anti-roll handle. Knife Type: Retractable Blade Knife; Blade Type: Replaceable.