A Bubba Blade Electric Fillet Knife Replacement Blade is available in E-STIFF, E-GLIDE STIFF, and E-FLEX styles. The EFK replacement blades are corrosion-resistant and feature serrated edges and apposing, bidirectional blades to fillet medium to large size fish effortlessly. All replacement blades fit both the Bubba Blade 110V Electric Fillet Knife and the Cordless Lithium-Ion Electric Fillet Knife; the E-GLIDE styles also fit Pro Series and Kitchen Electric Fillet Knives. Make your electric fillet knife cut like new again with a Bubba Blade Electric Fillet Knife Replacement Blade! Titanium-Nitride coating to be corrosion resistant Serrated, double-cut edge Apposing, bidirectional blades Precision-ground E-STIFF (9, 12 in.): Dual rivet blade design Compatible with Bubba 110V and Lithium-Ion fillet knives E-GLIDE (7 in. E-Flex and 8 in. E-Stiff ): Teeth Re-Designed for Freshwater Species Fish Dual-Rivet Blade Design (8 in. E-Stiff) Compatible with Bubba 110V, Li-Ion Cordless, Pro Series, and Kitchen Electric Fillet Knives E-FLEX (7, 9 in.): Compatible with Bubba 110V and Lithium-Ion fillet knives Knife Restrictions