NFB-31/7 Mineral broad straight nail file Smart, 240/240 grit, (5 pc
STALEKS NFB-31/7 — full mineral nail file
STALEKS NFB-31/7 — printed grit and abrasive close-up

Vendor:STALEKS

NFB-31/7

Mineral broad straight nail file SMART, 240/240 grit, (5 pc

$12.00 AUD
Grit
Grit: 240/240
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STALEKS SMART 31 broad straight mineral nail file in uniform 240/240 grit, built for fine smoothing and pre-coating preparation across a wider surface. Sold in a 5-pack.

Key Features

  • Uniform 240/240 grit — fine smoothing and pre-coating prep on both sides
  • Broad filing surface — covers more area per stroke for efficient work
  • Foam cushion layer — reduces pressure on the nail plate
  • Water-resistant plastic base — will not soak or swell

Ideal For

Technicians fine-smoothing nails and preparing the surface before applying coatings.

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Specifications
Series
Smart
Tool Type
Disposable mineral nail file
Material
Mineral abrasive on foam-cushioned plastic base
Sterilisation
Single-use disposable — one file per client
Abrasive Type
Mineral abrasive
File Shape
Broad Straight
Grit (Coarse)
240
Care & Sterilisation

Dispose of after single use for optimal hygiene. Each file is designed for one client only. Place used files in a covered waste bin and dispose of with general salon waste according to your local council regulations. Store unused files in a cool, dry place away from direct sunlight to preserve the abrasive coating.

About This Series

The STALEKS PRO Smart series brings professional quality at an accessible price point. Using the same proven designs as the Expert range with streamlined packaging and value-sized sets, Smart products are ideal for professionals building their toolkit or high-volume salon use.

FAQs

How do I choose the right grit for nail files?

Grit indicates coarseness: 80 grit is extra coarse for artificial nails and heavy shaping, 100 grit is coarse for artificial nail work, 150 grit is medium for general shaping, 180 grit is universal for both natural and artificial nails, 240 grit is fine for smoothing and pre-coating prep, and 400/3000 grit is for polishing. For natural nails, always use 180 grit or higher to avoid damage. For artificial nails or acrylics, 80-150 grit files work best.

What is the difference between standard and broad straight files?

Standard straight nail files (SMART 21 series) are narrower and ideal for precise shaping of the free edge and detailed nail work. Broad straight files (SMART 31 series) have a wider filing surface that covers more area per stroke, making them faster for overall nail shaping and more efficient for pedicure work. Both types feature the same high-quality mineral abrasive and foam cushion layer — the choice comes down to the filing surface width you prefer.

How do I care for reusable mineral nail files?

Disposable mineral nail files (sold in packs of 5 or 25) are designed for single-client use — dispose of them after each service for maximum hygiene. Laser nail files and reusable metal files should be cleaned with a brush after each client, disinfected with a salon-grade solution, and sterilised via autoclave or dry heat oven. Store all files in a clean, dry place away from direct sunlight to preserve the abrasive surface.