There’s nothing wrong with using a good old-fashioned hacksaw but there is a faster easier way to cut metal. Get the cutting performance you need without the premium price. This metal-cutting wheel has a thickness of .045”. The maximum RPM (revolutions-per-minute) of this wheel is 13 500. It’s also a Type 1 wheel meaning it has a flat surface and is best used for cutting. Generally speaking Type 1 wheels offer more versatility especially when cutting profiles corners or anything that requires 2 different planes of cutting surfaces. It’s also Including bolts angle iron rebar and even sheet metal. Overall our metal cutting accessory will definitely give your DIY game a serious boost. Set includes 5 pieces.