Industrial Adjustable Hand Reamers are used as precision tools for any engineering or auto-repair shop. These Adjustable Hand Reamers are ideal for steel or nonferrous metals. These Adjustable Hand Reamers are equipped with steel blades to provide optimum performance for longer period of time. Industrial Adjustable Hand Reamers have a chamfer or lead on the front end of diameter 0.004" - 0.019" according to size, which helps to make a quick start in reaming operation.