![Amazon.com: IRONWALLS Hydraulic Knockout Punch Set, 10 Ton 7/8” to 2-3/8” Electrical Conduit Hole Cutter Set, Manual Knockout Puncher Driver with 6 Sets of Dies & Punches, Punching Thickness for Steel Up Amazon.com: IRONWALLS Hydraulic Knockout Punch Set, 10 Ton 7/8” to 2-3/8” Electrical Conduit Hole Cutter Set, Manual Knockout Puncher Driver with 6 Sets of Dies & Punches, Punching Thickness for Steel Up](https://m.media-amazon.com/images/I/71o8H6uP4RL.jpg)
Amazon.com: IRONWALLS Hydraulic Knockout Punch Set, 10 Ton 7/8” to 2-3/8” Electrical Conduit Hole Cutter Set, Manual Knockout Puncher Driver with 6 Sets of Dies & Punches, Punching Thickness for Steel Up
![Amazon.com: Lichamp Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set : Tools & Home Improvement Amazon.com: Lichamp Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set : Tools & Home Improvement](https://m.media-amazon.com/images/I/71-q1FrFtVL.jpg)
Amazon.com: Lichamp Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set : Tools & Home Improvement
![TEMCo Hydraulic Knockout Punch TH0004 - Electrical Conduit Hole Cutter Set KO Tool Kit 5 Year Warranty - Amazon.com TEMCo Hydraulic Knockout Punch TH0004 - Electrical Conduit Hole Cutter Set KO Tool Kit 5 Year Warranty - Amazon.com](https://m.media-amazon.com/images/I/61CwRpFkvEL._AC_UF894,1000_QL80_.jpg)
TEMCo Hydraulic Knockout Punch TH0004 - Electrical Conduit Hole Cutter Set KO Tool Kit 5 Year Warranty - Amazon.com
GREENLEE, 6 Pieces, 10 ga Max Sheet Metal Capacity-Steel, Knockout Punch Driver Set - 5C632|7238SB - Grainger
![Amazon.com: TEMCo TH0037 4" Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 5 Year Warranty : Tools & Home Improvement Amazon.com: TEMCo TH0037 4" Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 5 Year Warranty : Tools & Home Improvement](https://m.media-amazon.com/images/I/61Abbd-d4fL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: TEMCo TH0037 4" Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 5 Year Warranty : Tools & Home Improvement
![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 | VEVOR US 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 | VEVOR US](https://d2qc09rl1gfuof.cloudfront.net/product/MJKKJY6T612-21SN6/hydraulic-knockout-hole-m100-1.2.jpg)