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 7238SB Slug-Buster Knockout Kit with Ratchet Wrench, Grey & Green, Full Size : Amazon.ca: Tools & Home Improvement
GREENLEE, 6 Pieces, 10 ga Max Sheet Metal Capacity-Steel, Knockout Punch Driver Set - 5C632|7238SB - Grainger
Police Auctions Canada - Greenlee 7238SB Slug Buster Knockout Punch Kit with Case (222877A)