Includes (1) 939539-00 Brush. New, Bulk Packed. Genuine OEM Replacement Part # 939539-00. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility. Compatible with the Following:DeWALT: DW406,DW818,DW821, Black and Decker: 26436,26437OS,26437,27326,27327,27703,27742,27743. Trusted by many. Perfect for regular use. Top performance. Highly rated.