2x Caster Assembly Front Castor Wheel For Irobot Roomba VacuumType:Vacuum Cleaner Parts new100% Quality GuaranteedClean brushes keep your home robot operating at peak performance.We recommend that you clean For Roomba/,s brushes every 1-3 uses(depending upon the amount of dirt and debris in your home).Compatible with:For iRobot Roomba 500 600 700 800 900 Series( 510 530 532 550 560 620 625 630 640 650660 750 760 770 780 870 880 980 )Vacuum Cleaning Robotscolour:Black + whiteMaterial:Plastic + metalPackage Contents:2 x Guide wheelOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia