... 8mm with dia.20mm 3.Throat depth 160mm 4.Punching mold and die 55x34x18mm HAND HOLE PUNCHERFEATURESStamp size 75x2 mmStencil size 34x34x16Max ... mmStandard punching stencil 20 mmOptional metric punching stencil serial 3,4,5,6,7,8,9,10,11,12,13,14 ... ,15 mmPacking size 500x390x830 mmWeight 76 kg Hand hole puncher for metal punching