Brand new and high quality. Made of high-quality materials, more durable. The new, more efficient motor protects the motor from hair and debris. Replaces your old side brush module. Improved design. Specifications: Compatible with iRobot Roomba 500, 600, 700, 800 and 900 series, Roomba 500, 600, 530, 560, 620, 650, 655, 760, 770, 780, 690, 805, 860, 861, 864, 890, 880, 885, 870, 871, 800, 960, 964, 970, 980, etc. Contents: 1 x Side Brush, 1 x Motor Module. Only the above package content; Other products are not included. Please allow +/- 1-3cm measurement error. Replacing the side brush motor can repair your sweeping robot and optimize its cleaning performance. A well-designed motor prevents hair and dirt from entering the brush motor. The motor module is 6.2cm long, 3.8cm wide, and has a hair length of 3.4cm. Product weight: 74 grams/piece