Greenlee - 3/4 Inch Hole Length x 3/4 Inch Wide, Square, Knockout

Slug-Buster® 1/2 - 1-1/4 Manual Knockout Set

The Package Length of the Product is :7.7 inches The Package Width of the Product is :1.1 inches The Package Height of the Product is :3.8 inches

Greenlee 12305 KNOCKOUT PUNCH DIE, 3/4 In actual hole size

Klein Tools 31872 - Carbide Hole Cutter Set 4 Piece

Knockout Punch Set (3, 3-1/2, 4) for use with 902-545

Generic AMZCNC 3 Conduit Punch and Die for Hydraulic Knock Out Driver 3/4-16UN Thread ((Conduit Hole Size) 3)

CH-60 Hydraulic Knockout Punch Hole Punching Machine 31T Max 10mm Thickness

Greenlee RS232 Knockout Punch Unit, 1.6555 x 1.853 x .469 In

Greenlee K2P-3/4 3/4 Conduit Size Slug-Buster Knockout Punch Unique punch profile splits slugs allowing for easy slug removal Knurled edge for better grip Laser markings for quick part identification Made in USA Replaces 721-3/4P Can be used with Greenlee battery-hydraulic knockout drivers, manual-hydraulic knockout drivers, or ratchet wrench. Use with Greenlee dies and draw studs.

Greenlee K2P-3/4 Slug-Buster Knockout Punch, 3/4

WORKLION WorkLion Hole Puncher 3 Ring – Blue Portable Metal Hole Punch Single for Binder, 5 Sheet Capacity

Greenlee - 1.14 Inch Hole Length x 3/4 Inch Wide, Rectangular Punch Unit - 04225710 - MSC Industrial Supply

Greenlee Screw Unit-Drive .750 Bb 249AVBBP

How is a rectangular hole, say for a small switch, cut into a plastic or metal box? - Quora

Greenlee 7211BB-3/4 Slug-Buster Knockout Punch Unit, 1.115-Inch - Hand Tool Punches