Mastering the Heavy Duty Nail File 80/80

If you've ever tried to shorten thick acrylics with a standard emery board, you know exactly why a nail file 80/80 is considered the heavy-duty power tool of the manicure world. It isn't the kind of file you pick up for a quick touch-up on a Sunday afternoon while watching TV. This is the grit you reach for when there's serious work to be done, whether you're thinning out a bulky set of hard gels or taking down the length of long-wear extensions. It's coarse, it's aggressive, and it gets the job done faster than almost anything else in a tech's kit. ...

May 9, 2026 · 7 min · Speidel Dum