The nail polishing head features a durable ball-shaped, diamond-coated design that works seamlessly with various manicure drill attachments and nail drill bits set professional. Its fine grit nail drill bit surface ensures gentle nail shaping and efficient removal, making it a versatile nail grinder drill bits choice for both natural nail care and gel polish removal. Features -Color:Multi -Material:Metal, diamond -Size:7.00X1.20X1.20cm/2.75X0.47X0.47in(with box) -Size:4.50X0.30X0.30cm/1.77X0.12X0.12in(without box) -Precise nail prepping: the ball head nail bit delivers targeted nail shaping, making nail drill bits professional ideal for accurate cuticle cleaning and smoothing before any manicure -Universal compatibility: featuring a standard mandrel nail drill bit design, these manicure drill attachments are compatible with most nail grinder drill bits, ensuring easy attachment and removal -Gentle nail removal: the fine grit nail drill bit effectively removes old polish or gel, minimizing harm to natural nails, while serving as a reliable removal nail drill bit for painfree prepping -Durable diamond construction: crafted with high hardness diamond material, these metal nail tools stand up to frequent use, so you can rely on each nail drill for performance -Foundation for manicures: the nail polishing bit set prepares nails with detailed buffing, creating a surface that enhances manicure longevity and quality for both home and salon users Package list: 6 x nail polishing heads