Knobby File Replacement Disc
If you ever mange to wear out the filing disc on your Forever Knobby Nail File or the Extra Tough Knobby File, no problem!
Replacement 60 grit, super coated aluminum oxide corundum replacement filing disc available in Mini (2") or Standard (3").
NOTE: The replacement disc only works to replace beige discs!!! This will NOT replace the filing surface of the black original Knobby File.