Tammy Taylor Peel 'N Stick Files - Purple Terminator 100 grit
AKA The Purple Monster. This disposable file can get remove anything; glitter, gel, acrylic, etc. The 100 grit strip filing surface on this file doesn't smooth down as you use it. The grits break off and make more grits, so it stays coarse. This is a great file for etching and shaping.
Available in a 25 pack.