Genuine 3M electric variable speed polisher 28391 replacement parts keep your 3M electric variable speed polisher 28391 in top working condition. Every part is available to order and finding the part you need is easy using the schematic and parts list found in the tool instruction manual. Genuine 3M electric variable speed polisher 28391 replacement parts are specifically designed for your 3M electric variable speed polisher 28391. All replacement parts meet the same specifications and design criteria as the original components. You can be assured the replacement parts will fit, form and function the same as or better than the original part, which will get your 3M electric variable speed polisher 28391 back in action.