This abrasive mounted stone grinding wheel set is ideal for polishing and grinding tasks. Ideal for use with jade, micro electric drills, and rotary tools, these grinding heads are designed to provide precision and efficiency. Whether you're working on intricate jewelry pieces or larger projects, these accessories ensure a smooth and polished finish. Features -Color:Chocolate -Material:Corundum -Size:4.50X1.50X1.50cm/1.77X0.59X0.59in -Size:4.50X1.00X1.00cm/1.77X0.39X0.39in -Size:4.50X1.00X1.00cm/1.77X0.39X0.39in -Versatile abrasive set: this multifunctional abrasive set is ideal for grinding, polishing, and sanding a variety of materials, ensuring versatility in your projects -Precision control: the mounted stone grinding wheel heads allow for precise control over grinding depth and speed, providing accurate and efficient results -sturdy finish: designed for polishing jade and other gemstones, these grinding heads deliver a sturdy surface finish, enhancing the beauty of your materials -Portable mini drill: the included mini electric drill is portable and easy to use, making it ideal for intricate tasks and small workspaces -Variety of grinding stones: with multiple grinding stone accessories available, this set meets the diverse needs of different users, offering flexibility and convenience Package list: 45 x Sanding Bits