... .shape:Round, Square Galvanized Rectangular Metal Hole Punch Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass, Copper.FinishPowder coated,galvanized,polished,or no finishHole shapeRound, Square ... .0*6.0 Dimensions(mm)(length*width*thickness)Customize,such as:1000*2000*1.0,1250*2500*2.0..Perforated patternStraight ...