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
Milwaukee Manual Knockout Punch Set Now Available
Klein Tools Knockout Punch Set 3/4-Inch, Model 53727SEN* | Orka.ca
Greenlee 735BB Round Knockout Punch Kit, 1/2 to 1-1/4 In - Hand Tool Knockout Punches - Amazon.com
Greenlee Manual Knockout Punch Set | Lowe's Canada
FORCE LOGIC Knockout Tools, Tool Sets and EXACT Dies | Milwaukee Tool