Professional Quality: Made of high-quality ceramic material, these nail drill bits are durable and long-lasting. Versatile: The set includes 5 different corn-shaped bits that can be used for shaping, polishing, and removing acrylic and gel nails. Easy to Use: The 3/32'' shank fits most standard nail drill machines, making it easy to switch out bits and get to work. Smooth Results: The ceramic material creates a smooth surface on your nails, leaving them looking polished and professional.