Difenni 25mm Sanding Paper Discs for Nail Drill with Metal Bit — #80 #150 #240 Grits, Compact Storage Box

Difenni 25mm replaceable sanding paper discs with metal nail drill bit provide a complete, portable solution for removing calluses, shaping nails, and light polishing at home or in professional salons.

These 25mm (3/32" shank) sanding discs come in three grit levels—coarse #80, medium #150 and fine #240—plus a metal nail drill bit for fast attachment to most e-file machines. The set is designed for convenient replacement, hygienic single-use swaps and durable adhesion so you can quickly switch grits while working on feet, nails or small craft projects. A compact storage box keeps discs organized for travel or salon stations.

How do I install and use these sanding discs with my electric file?

Installation is quick: peel the protective backing, press the adhesive side of the disc onto the metal nail drill bit, then insert the 3/32" shank into a compatible e-file. Start at low speed to familiarize yourself with the pressure needed, then increase speed as appropriate for the material. Always move the disc across the skin or nail rather than holding in one spot.

• Peel backing, align disc, press onto metal bit
• 3/32" shank fits most nail drill machines
• Begin at low speed, increase carefully
• Replace discs after visible wear for best results

Which grit should I use for calluses, maintenance, and finishing?

Choose grit based on the task: #80 coarse removes thick calluses and stubborn dead skin, #150 medium smooths and reduces rough patches, and #240 fine polishes and refines the surface. For best results, progress from coarse to fine in stages rather than trying to do everything with one grit. That approach limits irritation and creates a smoother finish.

• #80 coarse: heavy callus removal and rapid material removal
• #150 medium: shaping, blending and smoothing edges
• #240 fine: final smoothing and light polishing
• Work in gradual steps from coarse to fine

Are these discs hygienic and suitable for salon use?

The discs are single-use and come in a tidy storage box, making them easy to distribute per client and replace after each service. Their adhesive backing allows quick swaps on the metal bit without contaminating the tool itself. Using one disc per client helps maintain cleanliness and reduces the risk of cross-contamination in professional settings.

• Single-use disc design for client-specific hygiene
• Adhesive backing for fast, tool-friendly replacement
• Storage box organizes grits and protects discs when not in use
• Lightweight and portable for mobile salon technicians

What other uses do these sanding discs have beyond foot care?

Beyond pedicures and callus removal, the discs are useful for small DIY jobs, smoothing craft edges, trimming pet nails, and light polishing of gadgets or hardware. Their varied grits make them adaptable to many materials—soft skin, acrylic nails, wood, plastic or metal—so they’re a versatile addition to a beauty or hobby toolkit.

• Trimming and shaping acrylic or natural nails
• Sanding small craft and DIY surfaces
• Light smoothing and deburring of metal or plastic parts
• Trimming pet nails with careful, low-speed control

Who is this for: This Difenni sanding disc set is aimed at nail technicians, beauty professionals, and at-home users who want a compact, hygienic way to manage calluses, shape nails and perform light polishing. It also fits hobbyists and pet owners seeking a small, multi-grit sanding solution that works with most e-file machines. If you need replaceable discs, clear grit options, and a portable storage case, this set delivers practical, salon-ready performance.