[Insung Diamond] Diamond Sheet White Handfile Grit 140/Grit 400

This diamond file worked to smooth a small chip on one of my crystal sherry glasses. I do not know how long it will last as it appears to have lost most of it's diamond coating with one use. The question of the ability to reuse it caused me to give four stars only. It did a good job reducing the small chip on my crystal glass though.

Works great...nice and handy.