Chisel tip for wide marks. Quick-drying. Fade- and water-resistant ink. ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D 4236. www.sharpie.com. We would love to hear from you 1-800-346-3278. Experience More Sharpie: Professional chisel; Professional xl chisel; Magnum; Metallic. Assembled in USA.