Perhaps the often sighted saw blade is a long steel plate with many saw teeth on one side to saw wood. Actually, besides this traditional woodworking saw blades, there are wide categories of saw blades for various uses. Just say the saw blades’ shape, the base of a saw blade can be a long steel plate, a circular blade, a closed steel band, a thin wire, or of other shapes. The blade’s teeth are often designed to have many styles to fit the needs of cutting different types of objects. Saw blades can also have no teeth but have just a continuous cutting edge.