VEVOR Hydraulic Hole Punching Machine, 6 Ton Manual Hole Digger Punch, Portable Metal Hole Digger Hydraulic Punch Kit with 5 Punch Dies 0.63 to 0.98 Inch for Iron Stainless Steel Aluminum Plates - Amazon.com
VEVOR CH-70 Hydraulic Hole Punching Tool 35T Hole Digger Force Puncher Smooth Hole Puncher for Iron Plate Copper Bar Aluminum Stainless Steel | VEVOR US
Mophorn 10 Ton 1/2" to 2" Hydraulic Knockout Punch Driver Tool Kit Electrical Conduit Hole Cutter Set KO Tool Kit with 6 Dies Hole Complete Tool (Knockout Punches) - Amazon.com
Amazon.com: ATO Handheld Electric Hydraulic Metal Hole Punch, Easy and Fast to Operate, Hydraulic Punch Tool for Steel/Iron/Copper/Aluminum Plate : Tools & Home Improvement
14 Piece Hydraulic Punch Driver Kit
VEVOR Hydraulic Knockout Punch Set, 98KN(10 T) Knockout Hole Punch Driver Kit, 6 Dies Ranging from 1/2 to 2 inch, for Punching Hole on the Switchboard, Steel Plate, Electrical Cabinet - Walmart.com
IBOSAD Hydraulic Knockout Hole Punch Driver Kit 1/2 to 2 inch Electrical Conduit Hole Cutter Set KO Tool Kit Metal Sheet Puncher - Amazon.com
SEP-120 Single-End Hydraulic Punch - Piranha Metal Fabrication Equipment by MegaFab
PP-70 REMOTE HYDRAULIC PUNCH HEAD - Hydraulic Tool Manufacturer|LUN-YUAN