These diamond flat files are used for precision filing to sharpen metal tools or create flat surfaces stone, metal, and glass. You can carefully hand-flatten the backs of small or delicate cabochons or opals, or create flat windows to view into your glass works.
Suitable for use wet or dry, each flat diamond file is nickel electroplated uniformly with diamond grit onto a high-grade, sturdy steel base plank.
Available in two sizes:
- Small: 5" x 1" x 3/16"
- Large: 6" x 2-1/2" x 1/4"