A high-performance diamond ball bit engineered for efficient cuticle refinement and controlled removal of non-living tissue without the risk of overworking the skin.
The Stone Ball 3.1mm Medium is an advanced Step 2 prep bit, designed to remove dead protein and cuticle with greater efficiency than standard ball bits. With its larger 3.1mm size and cooling groove technology, it allows for faster, thorough refinement while maintaining a soft, controlled touch on the skin.
This makes it ideal for:
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Higher quality prep with momentary pauses during exfoliation
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Replacing cuticle nippers with confidence
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Technicians wanting efficiency without sacrificing control
PRODUCT SPECIFICATIONS
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Grit Level: Medium
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Function: Cuticle refinement / dead protein removal
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Stage of Use: Prep (Step 2)
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Shape: Ball
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Head Size: 3.1mm ball
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Material: Real diamond abrasive (lab grown)
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Finish: Cooling groove design
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Rotation: Suitable for left & right-handed use
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Shaft Size: 3/32" universal fit
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Recommended Speed: 9,000 – 11,000 RPM
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Pressure: Very light, controlled
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Lifespan: Approx. 2–4 months
WHAT IT DOES
Designed for controlled exfoliation, The Stone Medium removes non-living tissue safely and efficiently.
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Removes dead protein and cuticle after lifting
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Refines the cuticle line for a clean, crisp finish
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Replaces the need for cuticle nippers in many cases or polishes the area after nipping
COATING / FINISH
Real Lab Grown Diamond Abrasive + Cooling Groove Technology
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Real Diamond coating provides controlled advanced exfoliation of non-living tissue
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Cooling grooves help reduce heat build-up and improve comfort
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Designed to last up to 1.5x longer than standard diamond bits
HOW TO USE
Use after lifting the cuticle (Step 2 of prep)
Work at 9,000–11,000 RPM
Use very light pressure - no pushing, no repeating going over the same area
Glide over the cuticle area to remove non-living tissue
Keep movements controlled and consistent
SYSTEM PAIRING (PROFESSIONAL USE)
The Stone Medium sits at the start of your Willow prep system:
