There are lots of things made of metal. They are pieced together or welded together to form something like cabinets, boxes and even cars. Though they are pieced together or welded together, the finished product has been made smooth and there are not much traces of the burrs or uneven cuts or humps on the edges or surface of metal that were created by a machining process. To make these parts smooth and even, a deburring tool from MartorUSA.com can be used. The tools can be used for steel, aluminum, copper and plastic.