X-Acto X295 Delux Retractable Knife Blade - 5 Pack X-ACTO Deluxe Retractable Blades are a great solution for cutting&#44; scoring&#44; trimming and stenciling These blades feature a razor sharp edge and are compatible with all X-ACTO retractable knives Our Deluxe Retractable Blades are designed to work with the following craft materials - Paper&#44; Plastic&#44; 5 Pack