DL Utility Knife Paper Cutter 18mm – DL3099 SK 5 high Carbon Steel with comfortable grip, sharp knife edge that gives toughness and durability. This utility knife cutter is made of high-quality plastic material. This DL3099 18mm Utility Knife Cutter has a strong plastic grip to hold comfortably. This best utility knife is suitable for cutting paper, raw plastic, packing tape, cord, etc. This retractable cutter can be a very good addition to your tool kit, whether, at home or camping, this knife always comes in handy.