Designed for planing wood - When you install wooden doors, cabinets, or desktops, you often need to adjust the size and shape of your workpieces to make sure everything fits in. We made the PRO Planer Knife to help you get that perfect fit with ease – time and again. The PRO Planer Knife is a great choice for woodworkers and carpenters who need a durable planer knife to shape and flatten wood. It has a high-speed steel, resharpenable blade for effective planing all types of wood.