Key benefits - Restores grinding performance by replacing worn brush arms, helping maintain consistent power transfer and tool efficiency. - Broad compatibility with multiple tools, including models D28065 and D28140, with compatibility extending to other similar tools. What it is - A replacement grinder brush arm set, part number 648743 00, designed for straightforward installation to speed repairs. Compatibility - Fits various grinder models such as D28065, D28140, and additional compatible tools. Quantity options - Available in packs of 2 or 4, so you can choose the quantity that best fits your repair or maintenance schedule. Construction and material - Sturdy construction built to withstand demanding use. - Made from the materials shown in the product images, ensuring reliable performance and lasting effectiveness. Replacement and installation - Replacement part 648743 00 designed for straightforward installation, helping you complete repairs quickly and with minimal downtime. 2-3 practical use scenarios - Scenario 1: Routine maintenance on D28065 or D28140 to replace worn brush arms and restore grinding efficiency in a workshop. - Scenario 2: On-site tool repair with limited downtime, keeping packs of 2 or 4 on hand for quick replacements. - Scenario 3: Maintenance cycle for multiple tools in a shop, ensuring consistent performance across several units by replacing worn brush arms as needed. Notes - This description reflects the compatibility, function, and replacement nature of the product without adding extra features beyond the original specifications.