The X-Acto Retract-A-Blade Utility Knife EPIX3204 features a fully retractable design with a safe, retractable No. 11 blade. This knife allows for easy blade changes, compatible with any X-Acto No. 11 blade. It is ideal for delicate, precision cutting and trimming of lightweight materials like paper, plastic, balsa, thin metal, cloth, and film. The soft, triangle-shaped comfort grip provides extra control, while the anti-roll handle prevents it from rolling off your worksurface. Built with a metal core construction, this knife ensures durability for various cutting tasks.