Easy To Use- The positioning groove of the die should be aligned with the fastening screw in the middle of the die wrench, and the screw should be inserted into the slot of the die and tightened Applications: Used for processing or repairing external threads, can be used with die wrench or lathe mold base Widely used in cast iron, copper, brass, abrasive steel and other metal materials to process threads Application- Round dies are suitable for general purpose threading. Can process, correct or clean the external threads. Ideal for maintenance and repair work Our brand is dedicated to bringing our customers the purest possible experience of using.We are looking forward to having you as a user and witness of our products, Manufacturer: CvbGNJm