1. Always file nails in one direction instead of back and forth to prevent nails from splitting. 
2. Use the coarser side (180 grit surface) to shape nails. Also great for sanding and filing acrylic nails.
3. Use the finer side (240 grit surface) to smooth nail edges.

• Dual-sided professional nail file with 180/240 medium and fine grit surfaces for filing natural and acrylic nails.
• Perfect for shaping and smoothing nail edges with precision.

Replace nail files after three months of regular use.