Vortex Needle File Set of 12The Vortex Needle File is a precision tool designed for detailed filing and shaping of small, intricate areas. Its fine, slender shape makes it perfect for delicate tasks such as finishing, deburring, and smoothing in tight or hard to reach spaces. Commonly used by machinists, engineers, and jewelers, this file offers exceptional control and accuracy on metals, plastics, and other materials. The Vortex Needle File is built for durability and is ideal