Loving the HONA e file
"Loving the HONA e file bits and this one has definitely become a staple in my kit!"


The Diamond Round Barrel Drill Bit is a dual-purpose bit designed for safe cuticle work and exfoliation of surrounding skin. The rounded head shape offers comfort and control for cuticle prep, while the barrel surface is also ideal for smoothing rough, callused skin along the sides of the nail or gently refining the nail plate.
| Material | Diamond Coated |
| Function | Cuticle prep, exfoliating callused skin, smoothing nail plate |
| Grit Options | Fine (Medium also available) |
| Shaft Size | 3/32" (Standard) |
| Suitable For | Both Right and Left Handed Use |
| Lifespan | Approx. 3 months with proper care |
| Recommended Speed | 9–14 RPM with the HONA ProFile e-file |
Purpose: Designed for gentle but effective cuticle prep, exfoliating hardened sidewall skin, and light work over the nail plate.
Speed: Use at 9–14 RPM with the HONA ProFile e-file.
How to Use:
Clean and disinfect the Diamond Round Barrel Drill Bit after each use using professional-grade cleaning solutions. Store in a dry, dust-free container to prolong its lifespan. With proper care, it will remain effective for up to 3 months of regular use.
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Overall rating: 5.0 / 5 from 3 reviews.
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"Loving the HONA e file bits and this one has definitely become a staple in my kit!"
"This is my absolute go to for removing dry skin around the nail plate, it’s really fine and gentle on the skin. An absolute must have in my kit now!"
"Such a perfect prep bit!!"