Material: WoolOuter diameter: 5inch(125mm)Inner Diameter: 7/8"(22mm)Thickness: 8mmPackage include: 2pc/5 PCS or 10pcsFeatures:Referred to as wool wheel polishing wool wheel, sub wool type wheel and pure wool two wheel, it is commonly used as polishing abrasive materials. Dedicated to polishing or repairing scratches from different materials, such as glass, ceramics, stone, plastic, metal and jewelry. Higher polishing effect with the polishing agent. Great material of soft and elastic wool, natural and environmentally friendly. Durable, washable and reusable, felt design on the back. Suitable for furniture, wood, glass, car, stainless steel, precision instrument etc, tableware, precision instrument, marble etc. Polishing Wheel only, other accessories demo in the picture is not included.NoteYou can test it on a small area first before applying it on a large area. 2.The dimensions are measured by hand and may have a little error. Please don't mind.NoteYou can test it on a small area first before applying it on a large area. 2.The dimensions are measured by hand and may have a little error. Please don't mind.