Nail Drill Accessories Pro Carbide Bit Package Components: Electric Nail Drill Gold Carbide Bit x 10 piece Product Details: 100% Brand New in retail package Professional Electric Nail Drill Gold Carbide Bit x 10 piece Size : Fine Grit 3/32`` (Fits most nail drill machines that use 3/32" bits) Made of Carbide (Carbide is the hardest material next to diamonds) Carbide bits use a cutting action to remove product ; creating less dust with little friction and heat Suitable for professional or home use