[Package include]12 pieces for side brush replacement.These side brushes are easy to remove and replace, made of high quality material, sturdy and , a reliable replacement [Compatible Models]Compatible with for 500 600 700 800 Series Side Brush Replacement for.(incompatible: 645, 655, 675, 670, 671, 690) Compatible for 500 Series 510, 520, 521, 530, 531, 532, 533, 534, 535, 536, 537, 540, 541, 545, 550, 551, 552, 555, 560, 561, 562, 563, 564, 565, 566, 570, 571, 572, 573, 577, 580, 581, 585, 587, 589, 590, 595, 599. Compatible for 600 series side brush 606, 610, 611, 612, 614, 615, 616, 618, 619, 620, 621, 625, 627, 630, 635, 637, 640, 643, 650, 651, 652, 660, 665, 667, 676, 677, 680, 681, 685, 691, 692, 693, 694, 695, 696, 697, 698. Compatible for 700, 800, 900 Series 760, 761, 770, 780, 790, 801, 805, 850, 860, 870, 877, 880, 890, 891, 895, 960, 961, 980, 981, 985. Compatible with for 500 600 700 800 Series Side Brush Replacement: 500 series: 510, 520, 521, 530, 531, 532, 533, 534, 535, 536, 537, 540, 541, 545, 550, 551, 552, 555, 560, 561, 562, 563, 564, 565, 566, 570, 571, 572, 573, 577, 580, 581, 585, 587, 589, 590, 595, 599roomba 600 series:606, 610, 611, 612, 614, 615, 616, 618, 619, 620, 621, 625, 627, 630, 635, 637, 640, 643, 650, 651, 652, 660, 665, 667, 676, 677, 680, 681, 685, 691, 692, 693, 694, 695, 696, 697, 698roomba 700, 800, 900 Series:760, 761, 770, 780, 790, 801, 805, 850, 860, 870, 877, 880, 890, 891, 895, 960, 961, 980, 981, 985. Material: plastic colour: As shown Package Contents: 12 x side brush 1 x screw knife Only the above package content, other products are not included. Note: Light reflection 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.