Bubba's Lithium Ion Cordless Electric Fillet Knife with non-slip grip handle, is ergonomically designed to fit perfectly in your hand. Their lithium ion battery has the longest run time of any electric fillet knife on the market. The engineered ventilation has been designed to maximize motor transmission output, giving you an incredible amount of torque. Included are four different blade styles that reflect Bubba's legendary tapered flex and stiff fillet knives. The four blades included are the 7" E-Flex, 9" E-Flex, 9" E-Stiff and 12" E-Stiff. These blades are constructed out of high carbon stainless steel and coated with titanium nitride, making them extremely corrosion resistant. They've also incorporated a safety lock and trigger guard for ultimate security. The electric fillet knife comes in a premium EVA molded carrying case which allows you to break apart the storage units for easy cleaning. This knife contains a secondary replacement battery, charging cord, and all batteries contain a battery life indicator so you can rest assured that you'll never run out of juice.