ow with super, awesome, wow, black button! One knife to rule them all! Our retractable hobby cutter is the perfect combination of utility and safety. The retractable blade is contained in a metal-framed skeleton, with a plastic housing for durability, and the flat shape of the handle guarantees the knife won't roll off your work surface and land in places you wish it wouldn`t! Great for cutting sprue, plastic, resin and light metals. 1 easy-to-replace blade included, additional blades available in x5 packs!