Greenlee® Slug-Buster® 735BB Manual Round Knockout Punch-Die Kit, 10 ga, 1/2 to 1-1/4 in, Mild Steel | Steiner Electric Company
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Greenlee 7308 Knockout Kit Punches and Dies for 2-1/2 Inch, 3 Inch, 3-1/2-Inch, and 4-Inch Conduit, Draw Stud, Sleeve and Case - Hand Tool Knockout Punches - Amazon.com
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Greenlee 12305 KNOCKOUT PUNCH DIE, 3/4 In actual hole size - Hand Tool Knockout Punches - Amazon.com
GREENLEE, 10 ga Sheet Metal Capacity (Steel), 2 29/32 in Nominal Size, Knockout Punch and Die Kit - 40H678|745H-2-1/2 - Grainger
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Gardner Bender Slug-Out Knockout Set for 2-1/2 inch (6.35 cm) Conduit, Includes Punch, Die, and Drive Screw in the Knockout Punch Sets department at Lowes.com
GREENLEE, 14 ga Sheet Metal Capacity (Steel), 5/8 in Nominal Size, Knockout Punch and Die Kit - 4JA59|61080 - Grainger
50601741 Greenlee | Greenlee Punch and Die Tool, 92 x 92mm, Square, Hydraulic Operation | 477-8814 | RS Components
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