Parts List: 14 x 10mm/0.4 in Cylinder Shaped Polishing Wheels 14 x 15mm/0.6 in Cylinder Shaped Polishing Wheels 14 x 10mm/0.4 in Cone Shaped Polishing Wheels Product Description: These grinding heads can replace the file to polish the surfaces of various objects with low noise and less dust, which can make the objects brighter and cleaner. Cylindrical and conical shapes are suitable for curved surfaces and flat surfaces, and these polishing heads will not rust and fall off, and can service you for a long time. Key Features: Wide Compatibility: Each polishing wheel comes with 1/8 inch shank, compatible with most electric drills, cordless drills, mold grinders and other rotary tools Non-scratch: Our polishing head is not as easy to scratch the surface of an object as a cutter, and can give you a natural and clean surface. Different Shape: Our grinding heads are available in different shapes and sizes to suit different applications, so you can choose the proper one according to different items. Specification: Product Name: Grinding Wheel Material: aluminium oxide Color: red Shape: cylinder and cone Size: 10mm/0.4 in, 15mm/0.6 in Quantity: 42pcs Application: gems, molds, glasses, jewelries, metals, etc NoteLs 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. Please allow slight dimension difference due to manual measurement.