Milwaukee 48221961 18mm Snap-Off Knife with Metal Lock, Precision Cut Blade

18mm Snap-Off Knife with Metal Lock, 18mm Blade Width, Metal Lock for Secure Blade Retention, Precision Cut Blade for Clean Cuts in a Wide Range of Materials, Ergonomic Design for Comfortable Extended Use, Snap-Off Blade Design for Continuous Sharp Cutting Edge, Ideal for Drywall, Insulation, Cardboard, and General Cutting Applications.