7 Pcs Ceramic Nail Drill Bits Set Professional Gel Acrylic Cuticle Removal Diamond Carbide Nail Drill Bits Tools for Manicure Pedicure Home Use High Quality & Durability: The nail drill bits are made of superior ceramic material which is durable and strong. Especially the excellent heat dissipation for faster cooling during high-speed and long-time rotation. Artificial Nail Polishing: Our electric nail file set is equipped with 7 different ceramic nail bits to meet your grinding needs on different nail areas. Combination of different bits to trim and polish your natural nails, especially for removing edge and sidewall nails and dead skin. Compatible with Most Nail Drills: Universal 3/32\" (2.35mm) stainless steel shank is perfect for most electric nail drills on the market. The nail bits are fixed in a mini case that you can easily put in your pockets or bags. Save Time and Money: Electric nail files fit most nail drills, you don't need to make an appointment with the nail salon in advance. What's more, you can DIY your own nail art and just like taking the nail salon home.