Specification:Color: as the picture showMaterial: Nylon Fiber/Corundum/DiamondOuter diameter: Approx.100mm/ 4"Inner diameter: Approx. 16mm/ 5/8"Thickness: Approx. 10mm/ 2/5" 12mm/ 1/2''Quantity: 18pcs(All the diameters are 100mm)Package Included:18PcsPolishing Wheel:7 X （#60#80#100#120#180#240 #320 each one） Brown AluminaFlap Disc2 X LEIPAI 105mm Cutting disc1 X 7P Red Nylon FiberGrinding Disc1 X 7P Grey Nylon Fiber Polishing Wheel1 X Wool Grinding Wheel1 X Purple Poly Strip Grinding Wheel1 X Blue Flap Disc1 X Red Non-woven Nylon Buffing Wheel #320(Without Sandpaper)1 X Green Non-woven Nylon Buffing Wheel #180(Without Sandpaper)1 X Red Non-woven Nylon Buffing Wheel (With Sandpaper)1 X Green Non-woven Nylon Buffing Wheel (With Sandpaper)Note:Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Please don't mind, thank you!Please be carefully check the goods appearance, size, shape and then compare your original goods before ordering, thank you.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.