The Micro Chisel has a hardened tool steel blade with a wedge-shaped tip. The shape of the blade offer numerous possibilities for cutting and scrapping. The blade is attached to an ergonomically designed plastic handle. Length: 5 inches Blade width: 3.0 mm 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.