HIGH QUALITY SK5 HIGH CARBON STEEL: SK5 High carbon steel material is chosen to make razor blades utility knife blades refills high hardness and wear resistance. The excellent material makes utility blades for box cutter not easy to rust break and deform, have a longer service life, and are heavy-duty and practical utility knife blades.

STANDARD BLADE REPLACEMENT: The razor blades utility knife blades refills are 1.26 inches wide at the top, 2.36 inches wide at the bottom, and 0.75 inches high. Standard size, suitable as a replacement blade for most folding knives, box cutters, and retractable knives, is a commonly used household tool.

SHARP AND DURABLE: The razor blades utility knife edges are precisely sanded, polished, sharp, and durable, with good cutting performance. Use box cutter blades refills to cut quickly and the incision is smooth, great for cutting leather, rope, paper, carpet, rubber, cardboard, pipes, and more, and suitable for most DIY projects.

PORTABLE PACKAGING: 100 pieces of box cutter blades refills are packed in 10 plastic storage boxes, 10 pieces in each box, convenient for daily use and carrying—enough quantity, perfect for sharing with family and friends to start your handmade creations.

WARM TIP: If you encounter any problem using utility blades for box cutter, please get in touch with us immediately. We will solve the problem for you as fast as possible. In daily life, for the safety of your children, please put the razor knife blades where your children can't touch.