<p>FOUR UNCLES 20 pieces file set is made of high carbon steel for extra strength and hardness. This makes the teeth on each metal files stronger and more resistant to wear, just tackle the toughest of projects without worrying about how to take easy with your tools. </p> <p><b>File Set Info:</b></p> <p>1 * 4 Way wood rasp file1 * Flat file(8"/200mm)1 * Half-round file(8"/200mm)1 * Round file(8"/200mm)1 * Triangle File(8"/200mm)14 * Needle file (4.2"/108mm)1 * Cleaning Brush1 * Portable Carrying bag</p> <p><b>Where is it used?</b></p> <p>File (8"/200mm)</p> <p>For creating a consistent finish.</p> <p>Round File (8"/200mm)</p> <p>For de-burring and enlarging holes or smoothing out concave curves.</p> <p>Half-Round File(8"/200mm)</p> <p>Great general purpose file for use on either flat or curved surfaces.</p> <p>Triangular File (8"/200mm)</p> <p>For smoothing corners on angled cuts or grooves</p> <p>14 x Micro Files (4.2"/108mm)</p> <p>For delicate projects and putting the final touches on work. Smaller size allows for greater precision, as well as getting into tighter spots on smaller projects.</p> <p><b>Is The Handle Rasp Comfortable? </b></p> <p>The handle the metal file is designed specifically for your comfort over long-term use involving repetitive motions. This increases your accuracy during use while reducing hand and wrist stress. The ergonomic makes it easy to hold without any slipping problems. </p>