Greenlee 710 Metal Stud Punch, 1-11/32-Inch Diameter : Amazon.ca: Tools & Home Improvement
GREENLEE 28154 - Motion
Greenlee Manual Knockout Punch Set | Lowe's Canada
918862 Greenlee Knockout Punch Set: 10 ga Max Sheet Metal Capacity-Steel, Falls Free/Splitter, Round | Imperial Supplies
Greenlee 60031 Rectangle Punch Unit, 0.750-Inch by 1.140-Inch : Amazon.ca: Tools & Home Improvement
Knockouts | Greenlee
Knockout, 6" (POP) | Greenlee
Hydraulic Knockout Punch Set, SC | Greenlee
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