Not All Grits Are Created EqualMulti-PackYour Nail's Best FriendSmooth FillingHealthy Nail GrowthPrevents Micro-TearsNatural & AcrylicGradually Wears Aways Works With Your Nail, Not Against It  Crafted with a specialized grit that gently shapes and smooths your nails, promoting healthy growth while preventing splits and breakage. Experience the difference with a file that prioritizes nail health.  The Nail Reboot File, with its unique dual-sided design (120/180 grit), revolutionizes nail care. Crafted with a specialized grit that gradually wears away, it ensures smooth, even filing without the micro-tears that can weaken and damage nails.  With consistent, accurate filing, your nails will grow stronger and longer, while the file does its job - and eventually, needs replacing.  It's okay if your file wears out. Your nails, however, are meant to last a lifetime.