5.6"x2.8"x1/4" 5pcs Set Equaling, Half-Round, and Round Diamond Sharpener Sharpening Round Files

Use these diamond needle files for precision work on carbide, glass, hardened steel and other difficult-to-machine materials. This diamond needle file set delivers aggressive action with precise control. The file set includes round, tapered round, half-round, barrette, crossing, knife, equaling, warding, square and three-square files.Diamond Needle Files sets are used by hobbyists and metal workers for precise filing on stone, metal, glass and sculptures. They are also ideal for delicate filing, shaping and creating inside cuts.