10mm Super Jumbo Chisel Tip Permanent Marker - Blue Perfect for making posters, for sale signs, labels, or other arts and crafts projects Over sized tip for extra wide lines - chisel tip allows broad lines and fine lines Permanent on most hard to mark surfaces such as glass, metal, photos, coated paper, and most plastics Durable chisel tip lasts even after writing on rough surfaces Large barrel for large ink supply - dimensions; 6" x 1" - blue ink