This Micro Chisel also has a hardened tool steel blade, but with a grooved, wedge-shaped tip. The shape of the blade offers numerous possibilities for cutting and scrapping. The blade is attached to an ergonomically designed plastic handle. Length: 5 inches Blade width: 0.9mm Possible Uses: removing pin marks, making grooved lines, trimming flash from edges of small pieces, trimming stretched sprue, etching a louvre into plastic, etc. Only limited by your imagination.