Dura-Gold Adjustable Flexible Body File Holder with 14" Double-Sided Bastard File Blade, 9 Teeth Per Inch - Shape and File Contoured SurfacesDura Gold Adjustable Flexible Body File Holder with 14" Double Sided Bastard File Blade, 9 Teeth Per Inch. The file holder has a turnbuckle design, allowing it to be flexed and adjusted to curved convex or concave positions for shaping, smoothing, and filing contoured surfaces. Includes a 14" double sided bastard file blade that connects to the body file holder. The file blade has nine sharp precision milled curved teeth per inch. Use the blade with a