Set of 6 sphericalhead diamond nail drill bits designed for precise cuticle and nail work. Durable tungsten carbide diamond construction and fine grinding grit deliver controlled, longlasting performance for both natural and acrylic nails. Key benefits Effective cuticle and edge cleaning: Spherical head shape easily removes hard or stubborn cuticles and smooths rough edges without aggressive digging. Durable construction: Tungsten carbide diamond material provides reliable wear resistance for frequent salon or home use. Precise control: Fine grinding grit helps produce smooth finishes and reduces chipping on the nail surface. Versatile sizes: Six head diameters cover detailed work from small cleanups to larger surface shaping. Specifications Material: tungsten carbide diamond Total length: 4.5 cm Head diameters: 2.3 mm, 2.7 mm, 3.0 mm, 3.5 mm, 4.0 mm, 5.0 mm Grit: fine grinding Head shape: spherical Compatibility: fits most nail drills with a 1.9 cm shank What is included 6 sphericalhead diamond nail drill bits, six different sizes Typical use scenarios Salon manicure: remove hard cuticles and refine the cuticle line before polish or gel application. Athome maintenance: clean around the nail bed and smooth the surface of natural nails between professional visits. Acrylic and nail art work: shape and refine acrylic extensions and clean under sidewalls and cuticle areas for a neat finish. Notes on handling Use at appropriate speeds for fine grit bits and keep light, controlled pressure for results. Store dry and clean after use to maintain longevity.