About This Durable & Lightweight Aluminum Body: Crafted with premium aluminum alloy, this utility knife is both lightweight and sturdy. Easy to carry for daily box opening, and tough enough for heavy-duty tasks on construction sites. Secure Blade Locking System: The screw-tightened design utility knife of the ensures your blade stays secure, preventing wobbling while cutting. Ideal for precision cutting through cardboard, vinyl, drywall, and other materials. Whether you're working on DIY projects or handling heavy-duty construction tasks, the blade lock mechanism keeps the blade securely in place. Ultra-Sharp SK5 High Carbon Steel Blades: The craft utility knife features SK5 high carbon steel, these blades are sharper and more durable than standard blades, making them perfect for heavy-duty cutting. Designed for long-lasting sharpness to handle tough materials like plastic, leather, and flooring. Extra Blades for Long-Term Use: This utility knife comes with 10 extra blades. The quick-change blade mechanism makes it easy to replace dull blades, ensuring you always have a sharp blade for your box cutter and cutting projects. Versatile Everyday Tool: This utility knife is easy to carry and fits comfortably in your toolbox,drawer, or pocket. Perfect for daily package opening, home repairs, and office use. Whether cutting cardboard, foam, flooring, or working on DlY projects, this compact tool provides precise cutting performance. Overview Material : Alloy Steel Brand : TECKWRAP Color : Black Handle Material : Alloy Steel Blade Material : SK5 High Carbon Steel Blades Style : Utility Knife Manufacturer : TECKWRAP