The No. 9 Retractable Blade Refill for X-Acto Knife (5-Pack) is designed for making precise and accurate cutting through most lightweight materials such as light cardboard, paper, film, fabric, plastic, and many others. Its fully retractable, chiseled blade is so thin to perform intricate and detailed cutting, and yet strong enough to resist snapping under light pressure.
The No. 9 Retractable Blade Refill for X-Acto Knife (5-Pack) is made of carbon steel material to provide durability and ensure long-lasting performance. It is extremely sharp for reliable cuts at all times. It contains five blade replacements in one package and fits most X-Acto knives.