X-Acto Retract-A-Blade No. 1 Knife - 1 Carbon Steel Blade - Retractable, Comfortable Grip, Anti-roll, Durable, Replaceable Blade - Metal - Blue - 1 Each

Fully retractable knife features a safe, retractable No. 11 blade. Easily change the blade as you would with any X-Acto No. 11 blade. The knife is perfect for delicate, precision cutting and trimming of lightweight materials, such as paper, plastic, balsa, thin metal, cloth and film. The soft, triangle-shaped comfort grip provides extra control. Anti-roll handle keeps the knife from rolling off your worksurface. Retractable knife also offers a metal core construction for durability.