Staleks - Crescent Mineral Nail File SMART 40 150/150 grit (25 pcs)

Smart 40 Crescent Mineral Nail File (150/150 Grit)

Same grit on both sides, unlike the mixed pairings elsewhere in the Smart 40 line — a single, consistent 150-grit feel whichever edge you reach for.

That consistency is the point here. Where 80/100 or 100/150 combinations give you two different abrasive levels for different stages of work, 150/150 keeps things uniform: medium hardness throughout, suited to artificial nails and filing dense natural nails without switching between grit levels mid-service.

The crescent shape still splits by function rather than grit — straight side for length and shape, curved side for cuticle-area and lateral fold work.

Build details shared across the whole Smart 40 range:

• Stearate coating prevents the abrasive from clogging with organic dust
• Thin foam layer reduces pressure on the nail plate
• High-quality abrasive holds its cutting properties over time
• Works across both natural and artificial nails

FAQ: Why choose 150/150 over a mixed-grit file like 100/150? A single consistent grit gives the same abrasive feel on both sides, which some technicians prefer for a uniform filing motion rather than adjusting technique between two different grit levels.