3M™ 80349 Extra Fine Plus Polishing Compound 3M™ The 3M™ 80349 Extra Fine Plus polishing compound is specially designed to remove polishing marks and fine scratches, delivering an ultra-glossy, swirl-free finish on automotive paints. Its fine formula ensures a smooth, uniform result and is easy to apply. Ideal for the final step of the polishing process, this product is perfect for body shops and professionals seeking a high-quality finish. When used with 3M™ polishing pads, it quickly and effectively restores the vehicle's original shine. Learn more