Designed for cutting rails. Railroad and construction workers know that cutting rails can be a significant challenge. We have developed the PRO Metal Rail bonded cutting disc to help you master this task more effectively. The PRO Metal Rail bonded cutting disc is durable and reliable. It has been specifically designed for railroad and construction workers who need to cut rails. The disc is 4 mm thick and features high-quality aluminum oxide grinding grains to ensure stable performance and excellent cutting results. It has been reinforced with two and a half layers of high-quality fiberglass fabric to ensure safer use with a gasoline saw. It comes with a 25.4 mm bore for metal cutting saws.