The blades that ship with Rapala Electric Fillet Knives are designed to last the life of the knife. However, on occasion a blade may get lost or damaged from misuse, so Rapala offers replacement blades. Works with all models of Rapala Electric Fillet Knives.By purchasing or ordering any knife you represent that you are 18 years of age or older and agree that you will take full responsibility for compliance with all applicable federal, state and local laws, regulations and other restrictions.