[feature] Function: sandpaper polishing Object: Suitable for grinding automobiles, furniture, wind power panels, hardware products, electronic product casings, furniture, etc. The material is elastic PU products, which is elastic, good for polishing, and does not damage the workpiece [product information] Product Name: Grinding Chassis Colour: Black Material: PU Size: 6 inches, particle size: 0.3 Applicable disc diameter: 150 Packing list (available after purchasing a product): Polished chassis*1 beg to be excused: 1. Due to the long shipping time, the item may be damaged during the transportation, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.