A BOWIE knife is a large, fixed-blade knife that was popularized by the American frontiersman Jim BOWIE. PUTTY knives are small, flexible knives used for scraping and spreading PUTTY. A Ginsu knife is a brand of serrated knife that is marketed as being able to cut through anything. STEAK knives are sharp knives designed specifically for cutting STEAK. An Xacto knife is a precision knife used for cutting and trimming paper, plastic, wood, and other materials. A palette knife is a blunt knife used for mixing and applying paint. All of these are kinds of knives.