The Slice 10554 Auto-Retractable Utility Knife is designed to meet the demands of customers looking for a tool to cut through thick materials, such as triple-walled corrugated. This utility knife features a long blade and an auto-retractable mechanism that ensures your safety when the cut is complete. The blade edge can be rotated quickly and easily without the need for any tools, making it suitable for both right and left-handed use. As with all Slice products, the blade is made of advanced ceramics that are non-conductive, chemically inert, and resistant to rust. This ensures that the blade will last up to 11 times longer than comparable traditional blades. The Slice 10554 is a reliable, high-quality utility knife that will help you get the job done safely and efficiently.