KB Nail Prep Barrel Bit

The Katie Barnes Nail Prep Barrel Bit is a flat-top, cylinder-shaped diamond cuticle bit designed for clean, controlled natural nail prep. Its medium grit finish lets you push back the cuticle, remove dead skin, and remove the shine from the nail plate.

Available in Extra Small, Small, Medium, and Large, each size gives you the ideal level of access depending on nail size, cuticle space, and the precision you need.

Use at 5,000–12,000 RPM:

• 5,000 RPM for gentle, safe natural nail prep

• Up to 12,000 RPM for efficient cuticle work and exfoliation

What it does:

• Pushes back the cuticle cleanly

• Removes non-living tissue and cuticle skin

• Removes shine from the natural nail plate

• Flat top gives smooth, even control

• Cylinder shape reaches the full cuticle band area

• Medium grit ensures effective but comfortable prep

Compatible with all 3/32” e-files.

Size Guide

• XS: Micro precision for very tight cuticles.

• S: Detail work for small - medium nails.

• M: The universal everyday size.

• L: Fast coverage for larger nails and open cuticle areas.