This 7" E-FLEX Blade fits both our 110V Electric Fillet Knife and Cordless Lithium-Ion Electric Fillet Knife. Constructed from high carbon stainless steel and chemically bonded with a titanium nitride coating, it offers exceptional corrosion resistance. The 7" serrated edge and opposing bidirectional blades make filleting medium to large fish effortless. Product Details Blade Length: 7 inches Material: High Carbon Stainless Steel Coating: Titanium Nitride (Ti-Nitride) Compatibility: 110V Electric Fillet Knife & Cordless Lithium-Ion Electric Fillet Knife Product Features Serrated edge for smooth, efficient cutting Opposing bidirectional blades for enhanced performance Extremely corrosion resistant Ideal for filleting medium to large fish