Utility knives are designed for easy, efficient cutting and feature best-in-class features. The retractable, folding and pocket knives feature quick change mechanisms for easy blade replacement, the folding knives feature a spring assist opening and many have blade storage in their handles. Our carpet knife offers a controlled cutting depth, interlocking nose to hold the blade securely and an angled handle design for easy access to hard-to-reach places. This knife has a quick change mechanism for easy blade replacement. Kobalt 27-Blade Folding Utility Knife features aviation grade aluminum handle for durability, the following blades: 10 standard, 10 hook, 5 scoring, and 2 linoleum. It also comes with a convenient zipper case for organization and protection