The SK-9 knife is a versatile heavy-duty safety knife. Features a spring-activated blade that self-retracts the instant the blade loses contact with the cutting surface, reducing potential injuries in the workplace. Also features a durable rounded metal tip that functions as a tape slitter, screwdriver, staple-remover, and more. It's comfortable handle and blade slide are gently curved for comfort, featuring a finger groove on the back to help secure grip when cutting. Tool-free blade change. Perfect for use in shipping and receiving departments. For right or left handed use. Includes SKB-2 blade.