Diamond Nail Drill Bits DARK – Ball Shape (Blue & Red Grit) Professional diamond nail drill bits designed for e-file manicure and pedicure.Suitable for hardware and combined techniques and compatible with all sterilization methods. Perfect for nail technicians who need precision, durability, and smooth performance. Best For: • Cuticle removal• Side wall cleaning• Nail plate polishing• Callus removal (pedicure)• Dry manicure / e-file manicure Available Sizes & Grits: 112 – 3 mm (Blue / Medium Grit)Small ball bit for precise cuticle work and detailing. 114 – 4 mm (Blue / Medium Grit)Universal size for manicure and pedicure procedures. 308 – 4 mm (Blue / Medium Grit)Balanced performance for controlled work. 310 – 4 mm (Blue / Medium Grit)Suitable for more intensive cuticle and skin work. 113 – 4 mm (Red / Soft Grit)Gentle option for sensitive skin and polishing. Key Features: • High-quality diamond coating• Long-lasting and durable• Smooth and vibration-free work• Safe for professional use• Suitable for all sterilization methods Why Choose Ball Diamond Bits? Ball-shaped nail drill bits are ideal for safe cuticle lifting, cleaning, and polishing, making them essential tools for both beginners and professionals.