Diamond ball bit 4 mm – precise cuticle care with medium grain from Staleks

The 4 mm diameter diamond ball bit (blue marking) is the largest model in the ball bit series – ideal for precise cuticle care with maximum surface coverage. Thanks to its medium grit, it ensures effective yet gentle processing.

The large ball shape is ideal for quick work on larger areas, e.g., during pedicures.

Advantages

• 4 mm diameter – largest ball bit variant for quick surface work
• Medium grit (blue) – effective yet gentle on the skin
• High-quality diamond coating – durable and precise

Color Code Family

• 4 mm Blue (this product) – largest ball variant
• 3.5 mm Blue – slightly smaller
• 2.7 mm Red – for fine detail work

Application

• Removal of cuticle residue on larger areas
• Ideal for pedicure treatments
• Quick preparation of the nail plate

Anela's Pro Tip

"For pedicure treatments, I reach for the 4 mm ball bit – the larger surface covers more and saves time on the generally larger toenail surfaces compared to hands." – Anela Mucic, World Champion Nail Design 2023 & INJA Judge

Frequently Asked Questions

When do I choose 4 mm instead of 3.5 mm?
For larger areas like toenails or when faster work is a priority. For finer control, 3.5 mm is more suitable.

Is this bit also suitable for fingernails?
Yes, but for more detailed work on smaller fingernail areas, a smaller bit is often more practical.

What does the blue marking mean?
Medium grit – effective yet still gentle.

Is the bit sterilizable?
Yes, designed for professional studio use with regular sterilization.

Which treatment is this bit best suited for?
Especially for pedicures, where larger areas need to be worked on quickly.