Knock Out Set, Knockout Set, Hole Size Nominal 0.75 in, Hole Size (In.) 1 3/25 in, Conduit and Pipe Size (In.) 3/4 in, Max. Capacity Mild Steel (Ga.) 10 ga, Slug Round Slugs, Alignment Markings, Laser Marking, Punch with Knurled Edge, For punching...