Sharpie Professional Chisel Tip Permanent Markers, 12 Blue Markers (34803) Set of 12 Blue Markers A durable, all-purpose permanent marker that marks on even the toughest surfaces, including wet, oily and abrasive surfaces Stronger professional tip lasts 50% longer than the standard Sharpie chisel tip The comfort grip barrel and cap design promotes ease-of-use, even when wearing gloves Chisel point tip produces both broad and fine line widths