ANTI-SLIP HANDLE BODY - The ergonomic design of anti slip grip provides a greater control. The lightweight aluminum body of the folding utility knife with pocket clip allows you to carry it wherever you go BONUS SHARP SK5 BLADES - The box cutter with the heavy duty SK5 blades is sharp and durable, these standard size utility blades are compatible with most other utility knives, are ideal for general-purpose cutting SECURE LOCK BACK DESIGN - With push-button lock, when fully open the knife, the lock back mechanism will automatically lock the blade in place and make sure the blade fixed tightly without any movement for safe QUICK-CHANGE BLADE MECHANISM - The easy release mechanism greatly simplifies the chore of replacing blades, allowed the quick blade remove and change with no additional tools required. It comes with 5pcs SK5 blades for replacement, double-edge and both sides can be used WIDE APPLICATION- The utility knife can work with all standard size utility knife blades, allowing you to cut through cardboard, plastic, leather, carpet, wallpaper, cans and many other different kinds of material effortlessly for office, home, arts crafts Vickay Box Cutter Knife Utility Knife with 5 SK5 Quick Change Blades, Safety Axis Lock Design Razor Knife, Lightweight Aluminum Body Belt Clip for Office Home Artcraft Grey