PandaHall 150/180 Grit Nail File, Double-sided Printing Sponge Polish Strip File, Burnishing Stick, Sandpaper Nail Buffer, Waterproof, Green...

150/180 Grit Nail File, Double-sided Printing Sponge Polish Strip File, Burnishing Stick, Sandpaper Nail Buffer, Waterproof, GreenSize: about 178mm long, 29mm wide, 5.5mm thick.Note: Basically, the higher the grit number, the smoother the file. Coarse files(80-100 grit) are best for acrylic nail extensions. Medium files (180 grit) are best to shape extensions of medium thickness, like most tips and wraps, and to shape the free edge of toenails. Fine files (240-600 grit) are best for removing small bumps, ridges or discolorations and for shaping the free edge of natural nails. Ultra fine files (600-2400 grit) are used for buffing and shining all types of nails.