Fatmax, Carpet Knife, Swivels Open For Quick Blade Change, Magnet Holds Spare Blades In Place, Overlap Nose Prevents Blade Slippage, Blade Storage Capacity Of 10 Regular Duty ,015" Blades, D-Ring Fastener For Quick Blade Change, No Tools Required, Rubberized Handle For Comfort & Better Grip, Cast Metal Handle For Strength & Durability.