Jetech 18mm Utility Knife Refill Blades, 50 Pack

Sturdy replacement blades for a 18mm utility knife. These blades are built tough thanks to their quality carbon steel construction and double-milled edge. Each blade features a 840 degree Vickers hardness rating, so you get a strong, durable blade that lasts -- up to 10x longer than standard carbon steel blades. Comes packed in a compact case for easy storage and organization.