Outdoor Edge Cutlery 3in Tanto Replacement Blades 420J2 Stainless Steel 6-pack. Whether you're opening boxes cutting rope or tackling demanding tasks at work or in the field these ultra-sharp tanto blades provide the strength and reliability you need for everyday carry (EDC). Specifications for Outdoor Edge Cutlery 3in Tanto Replacement Blades: Manufacturer: Outdoor Edge Cutlery Blade Length: 3 in Blade Material: 420J2 Stainless Steel Serrated: Plain Blade Shape: Tanto Blade Finish: Black Oxide Package Contents: Outdoor Edge Cutlery 3in Tanto Replacement Blades Outdoor Edge Cutlery RRT30K6C: 3in Tanto Replacement Blades 420J2 Stainless Steel 6-pack