Retractable Safety Knife with Internal Blade Carrier, Blue, Metal Detectable, 1/Pack

Fully metal detectable safety knife is available with a plastic or aluminum internal blade carrier. Stainless steel straight blade locks in the 'out' position while a controlled cut is being made. If the knife is jerked, shaken or dropped, the blade will retract. Blade lock control for safe storage. Replacement blades available.