The Nitrogen Collection 15 Piece Cutlery Block Set features nitrogen-infused stainless steel knives that stay sharper for longer and are corrosion resistant. • Nitrogen-infused Steel maintains its ultra-sharp cutting edge longer and provides superior corrosion resistance. • Precision-tapered ground blades narrow gradually to an extremely sharp, fine edge. • Forged, durable, extra-wide safety bolster for perfect stability and control. • Stainless steel rivets to secure the full-tang blade to the ergonomically designed handle. • Lifetime warranty Set includes: 8" Chef Knife, 8" Slicing Knife, 5" Serrated Utility Knife, 3.5" Paring Knife, eight 4.5" Steak Knives, 8" sharpening steel, and all-purpose household shears