Iautomatic 3 x Side Brush 6-armed with 3 Screws for iRobot Roomba 500 600 700 Series 530 540 550 560 570 580 650 760 770 780 790 Compatible with: iRobot Roomba 500 600 and 700 Series Vacuum Cleaning Robots Roomba Compatible with: Roomba 500 510 530 532 535 540 550 560 562 570 580 600 610 625 700 760 770 780 790 3 6-armed Side brushes 3 Screws