Greenlee 1904 Slug-Buster Ratchet Punch Driver Kit with 3 Draw Studs and Case : Amazon.ca: Tools & Home Improvement
Greenlee LS100L11SBSP 18V 11 tons 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 730-1/2 Half inch Hole Punch | eBay
GREENLEE, 6 Pieces, 10 ga Max Sheet Metal Capacity-Steel, Knockout Punch Driver Set - 5C632|7238SB - Grainger
11-Ton Hydraulic Knockout Driver with Foot Pump | Greenlee