bangdan Craft Small Mini Hole Punches Die for Leather Craft, Paper Craft, Printing Small Punches for Leather Craft, Paper Craft, Printing etc. Size 1mm, 1.5mm, 2mm, 2.5m and 3mm Manual punch (a hammer required when punching holes) Material: steel Please use with a cutting board so the blade last longer It is sharp,Keep out of childrens reach!