Best used for a variety of cutting tasks that include drywall, boxes, ropes, rubber, carpets, leather, PVC, linoleum and more, this heavy-duty blade made from high carbon steel is compatible with all Spec Ops utility knives. The precision-honed edge makes it a perfect razor for any standard box cutter. This 10-pack is perfect for a fast refill or replacement when quickly changing out blades on any job site.