Handy electric hydraulic puncher MHP-20 voltage:220/110v wattage:830/900w machine weight12kgs gross weight:20 KGS max.round orifice20mm min.round orifice:4mm punch speed:2-3s punch thickness:6mm machine size:500x195x100mm packing size:545*310*180mm package :one pc /metal box /cardboard ctn use for punch orifice on all kinds of steel plate or iron plate ,we offer die can punch round orifice,we offer Customize special punch die ,just like ellipse shape die if you need to punch others shape of orifice.accessary with 4 sets round dies:6.5mm,9mm,13mm,17mm,20.5mm. .