Zhejiang EMEADS Tools Co., Ltd. has been established for six years, but our hydraulic precision technology has been more than 30 years. EMEADS not only produces professional hydraulic tools, but also is equipped with multiple types and sizes of knockout punches. F type 5/8"-4 1/8" standard single knockout punch can be used in many ways to improve the efficiency of workers. This F type of punch with draw stud is available from various suppliers. As one of the largest suppliers of hydraulic tools in China, EMEADS can provide customized tools andknockout punches to customers.