Greenlee® Slug-Buster® 7211BB-3/4 Knockout Punch Unit, 10 ga Capacity, 3 Pieces, For Use With Standard Round and Slug-Buster® Punch, Battery Powered/ Hydraulic Ratchet Driver, 3/4 in Conduit/Pipe, Steel | Groves Industrial
Greenlee 36171 Slug-Buster Knockout Punch Unit, 54mm — EIO.com
Greenlee 7310SB Slug Buster Hydraulic Knockout Punch Set 1/2"- 4" w/ Hand Pump | eBay
greenlee slug-buster 7646 knockout punch set – ASA College: Florida