Onsen Secret Double-Sided Nail File 6-Pack — 120/180 Grit Salon-Grade Disposable Files for Natural & Acrylic Nails

The Onsen Secret Japanese Nail File is a professional 6-pack of double-sided 120/180 grit emery boards designed for fast shaping and a smooth finish on both natural and artificial nails.

If you want a compact, salon-style nail file set for home, travel or professional use, this Onsen Secret kit gives you six disposable, double-sided boards that tackle acrylics and natural nails with a single tool. Each board measures about 6 inches, offers coarse 120 grit for shaping enhancements, and finer 180 grit for refining and smoothing natural nails. They’re made to be easy to use, hygienic to replace, and portable enough to keep in a purse or kit.

How do these files handle artificial nails and extensions?

The coarser 120 grit side is intended to shape and shorten acrylics, gel overlays, and other enhancements quickly without tearing. Use controlled strokes and moderate pressure to reshape tips or remove bulk, then flip to the finer side to soften edges before finishing.

• 120 grit side for shaping acrylics and hard gels
• Long, sturdy board length for leverage and control
• Designed to prevent rapid wear when used correctly

Can I safely use the files on natural nails?

Yes — the 180 grit face is gentler and suited for natural nail edges and smoothing a freshly trimmed nail. File in one direction to reduce splitting, and avoid aggressive back-and-forth sawing that weakens nails.

• 180 grit side for finishing and smoothing natural nails
• Double-sided design eliminates the need for separate tools
• Disposable for hygiene and easy replacement

What’s the best way to use and care for these emery boards?

Start by soaking nails if needed, dry them thoroughly, trim to desired length, then file in one direction for a uniform edge. After filing, rinse or brush away dust; because these boards are inexpensive and disposable, replace them when worn or soiled to maintain performance and cleanliness.

• Soak, dry, trim, then file in one direction
• Rinse or brush away filing debris after use
• Replace when grit becomes clogged or worn down

How do these files fit into a professional or travel kit?

Each pack of six is designed for repeated professional appointments or to keep a fresh file on hand while traveling. Their slim shape fits easily into a manicure kit, salon drawer, or handbag, so you always have a reliable file for touch-ups or full services.

• Compact 6" length fits salon kits and personal bags
• Six disposable boards per pack for hygiene and convenience
• Made in the USA to consistent manufacturing standards

Who this product is for: These Onsen Secret nail files suit home users who want salon-style results, professionals needing an affordable disposable option, and travelers who prefer lightweight manicure tools. If you regularly work with both enhancements and natural nails and want a single, easy-to-replace board for shaping and finishing, this 6-pack provides a practical balance of grit ranges, portability, and consistent performance.