Replacement diamond strips are available by BACK ORDER to fit all SVST World Cup Diamond Files (including the new 4" and 6" diamond files) Available in 120, 220, 400 and 600 grit. Designed to be used wet or with a polishing solution. To remove diamond strip from file, use heat gun to melt adhesive and cut off with razor blade. Avoid scratching anodized finish. Remove backing and apply new strip to file after cooled to room temperature.