Features: 1Wide Compatibility: Compatible for Roomba 500 600 700 800 900 880 870 871 885 880 860 861 875 series, for example, the wheel module 600 series has been reborn after the replacement of the wheel module. 2Vacuum Cleaner Left Right Wheel Module : Easy to disassemble and install. Package included 2 drive wheel module (left and right). 3Durable: Imported natural rubber tires for the wheels, providing wearproof and anti slip properties, ensuring a longer lifespan. 4High Performance: The side brush reaches deep into corners and edges to remove more dirt, dust and debris. 5Efficient: The wheel module are made of high strength and environmentally friendly ABS, rubber materials to ensure optimal performance and a healthier lifestyle. Specification: Item Type: Drive Wheel ModuleMaterial: ABS, RubberWeight: Approx. 408g or 14.4ozCompatible: for Roomba 500 600 700 800 900 880 870 871 885 880 860 861 875 SeriesProduct Size: Approx. 12x6x10.5cm or 4.7x2.4x4.1in Package List: 2 x Drive Wheel Module 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.