This Heavy-Duty Auto-Lock Utility Knife Is A Powerful Anti-Slip Utility Knife, Featuring A Professional Grade Fiberglass Rubber Grip And Automatic Blade Lock For Maximum Comfort And Control. Heavy-Gauge Stainless Steel Blade Channel Protects And Holds Blade Tight. Acetone Resistant Handle For Easy Cleaning. Built In Versatile Metal Pick For Opening Paint Cans, Removing Switch Plates And More. Easy, Tool-Free Blade Change. Includes The Double-Honed Ultrasharp Black Snap-Blade - 25% Sharper Than The Silver Olfa Lb Blades. Made Of High-Quality Japanese Grade Carbon Tool Steel And Designed For Unparalleled Sharpness And Superior Edge Retention. Good For: Cutting Leather, Rubber, Cardboard, Rope, Paper, Carpet, Acetates, Linoleum, Plastic, Etc.