Cosco Heavy-Duty Refill Blades, 10/Pack (COS091470)

Heavy-duty utility knife blades for use with heavy-duty metal utility knife and plastic utility knife. Upgrade your cutting tools with Cosco Heavy-Duty Utility Knife Replacement Blades. Designed for both heavy-duty metal and plastic utility knives, these blades are perfect for any demanding task. Each pack includes 10 sharp blades, ensuring you always have a reliable replacement on hand.