B L Paintstik® Solid Paint Marker, 11 16 in dia, 4.25 in L, Blue no checkout Abrasive Material Zirconia Alumina Anchor Abrasive Material Zirconia Alumina Anchor Brand Catalog NO Applicable Materials Ferrous & Non Ferrous Metals has a nice thick edge for easier more accurate marking and helps keep your soapstone from slipping 36" tape measure printed on the medium & large Wizard limits the need for an extra tape measure Circumference & Quartering scale printed on every wrap limits the need for calculation Packaged in a durable or assembly operations Durable weather resistant and UV resistant marks To prevent bleeding through the finished coat of paint seal the marked areas with water based epoxy paint