... 63mm, 76mm, 80mm, 89mm, 100mm, 114mm.And Group F:Square hole punches 32mm*32mm, 46.5mm*46.5mm,,,,,151mm*151mm.These ... 89mm are acceptable, just contact us for details information.The hole punches use together with hydraulic punch, manual rachet wrench, electrical ... .As the most professional manufacturer, we manufacture round shape, square size and rectangle knockout punches set good.To place an ...