Kupa - Diamond Bit 3/32 Small Barrel (Fine)

Precision and Performance with the Kupa Diamond Bit 3/32 Small Barrel (Fine)

Achieve professional, salon-quality results with the Kupa Diamond Bit 3/32 Small Barrel (Fine)—a must-have tool for nail technicians who value control, precision, and efficiency. Designed specifically for surface refinement and gentle cuticle work, this fine grit diamond bit allows for smooth, accurate shaping without damaging the nail plate.

Key Features & Benefits

Crafted from high-quality diamond material, this small barrel bit is ideal for surface work, cuticle area cleaning, and underside shaping. Its fine grit texture makes it perfect for delicate work such as prepping the natural nail, refining overlays, or smoothing out hard gel or acrylic enhancements. It ensures minimal friction and maximum control—especially important when working close to the skin.

This bit is compatible with any standard 3/32" e-file handpiece, making it a versatile addition to any nail tech’s toolkit. Whether you're performing full sets, fills, or gentle natural nail prep, the small barrel shape offers easy maneuverability and enhanced safety around the cuticle.

Why Nail Techs Love It

• Fine grit ensures ultra-smooth finish with minimal filing pressure

• Small barrel shape allows for detailed, controlled work

• Great for refining gel, acrylic, or dip powder applications

• Safe for cuticle zone and underside cleaning

• Durable construction for long-term professional use

• Works with all 3/32" e-file machines

Optional Accessories

Pair this bit with other Kupa diamond bits in medium or coarse grit for a full-service experience. Keep it clean and sanitized using a standard bit cleaning system or disinfectant solution to maintain hygiene and extend the bit’s life.

Whether you're perfecting a high-gloss overlay or smoothing out an enhancement for a flawless finish, the Kupa Diamond Bit Small Barrel (Fine) delivers smooth performance and precision every time.

Use only for training on tips