Ace Retractable Utility Knife is best for general and precision cutting: box cutting, arts and crafts, cardboard, carpet, drywall, rope, vinyl, leather, flooring, and wood Comes in a lightweight design that fits perfectly into your pocket or easily place to your work belt for easy access while you work on your project Retractable aluminum alloy case holds blade securely making this knife very safe to use 1 Trapezoid #60 carbon steel blade included