The pro series Cordless electric fillet knife has been designed to meet the requirements of the hardcore angler, by developing industry leading power and performance technology for unparalleled cutting efficiency. The Pro Series Cordless EFK is constructed with a state of art, brushless motor to deliver 21% more torque, 22% more motor efficiency and up to 100% more power, making the Pro series cordless EFK the most powerful electric fillet knife on the market. It features a 7" E-flex, 9" E-flex, 9" E-stiff and 12" E-stiff along with the iconic non-slip grip. The Pro Series also comes with 2 batteries for long-lasting cutting capabilities. The Magnum Battery is sold separately and can be added for more power and runtime. The best really did get better. Cut like a pro with the Pro Series Cordless Electric Fillet knife.