Wylaco Supply | Greenlee 04614 Slug-Splitter Standard Knockout Punch 2-1/2- Inch
Greenlee Multiple Sizes Manual Knockout Punch Set at Lowes.com
Greenlee 7304 :: 2-1/2"X4" Knockout Punch & Die Kit w/o Draw Studs :: Rexel USA
Greenlee - 3-1/2 Inch Hole Length x 2-1/4 Inch Wide, Rectangular Punch Unit - 04225843 - MSC Industrial Supply
Slug Buster Knockout Punch Unit 2-1/4 Inch Hole
Greenlee 7238SB 1/2 to 2" Ratchet Knockout Punch Driver Kit | Independent Electric
Knockout Set for Hydraulic Drivers with Standard Round 2-1/2" to 4" | Greenlee
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