Chisel Tip Permanent MarkersBIC Intensity Chisel Tip Permanent Markers BIC Marking Permanent Markers are designed to leave vivid, long lasting color on virtually any surface. These ACMI approved and non toxic markers feature low odor, acid free ink* that is great for marking on metal, glass, plastic, photos, foils, coated paper, and oily and damp surfaces. A molded grip zone enhances comfort and control while writing, while the chisel tip lets you create both broad and fine