Tempo Greenlee 7235BB Slug-Buster Manual Knockout Kit for 1/2 to 1-1/4-Inch Conduit - 1/2" to 1-1/4" : Amazon.ca: Tools & Home Improvement
Showa Manual Knockout Punch
Greenlee Slug-Buster 7238SB Manual Knockout Punch Die Kit, 10 ga Capacity, For Use With Battery Powered/Hydraulic Ratchet Driver and 3/8 in and 3/4 in Draw Stud, 1/2 to 2 in Conduit/Pipe, Mild Steel
Greenlee Manual Knockout Punch Unit | Lowe's Canada