findmall 10 Ton 1/2" to 2" Hydraulic Knockout Punch Driver Tool Kit Electrical Conduit Hole Cutter Set KO Tool Kit

6 Dies & punches, including 1/2, 3/4, 1, 1-1/4, 1-1/2, and 2Inch, for drilling both large diameter and small diameter holes Two driving bolts are rugged and plastic grip at the end of the long handle, laborsaving and fast operation Portable plastic case compact, light-weight, and easy to carry It is a knockout punch set with a separable hydraulic pump, with a safety valve, the pressure will release automatically when the pressure reaches the limited max Hole complete tool Its great for installing and repairing wire pipeline, signal lamp and instrument in metallurgy, petrol, electronics, electrical appliance, chemical industry, Ship & machinery and many more