High-quality 18mm utility cutter blade refills designed for sharp, smooth, and precise cutting performance. Made from durable alloy steel with segmented snap-off blade design for extended usability and consistent cutting efficiency. Suitable for cutting paper, cardboard, plastic sheets, packaging materials, vinyl, and craft supplies. Packed in a secure plastic storage case for safe handling and convenient organization. Ideal for offices, warehouses, workshops, schools, and everyday utility cutting tasks.