Well Fit Compatible with iRobot Roomba i6(6150) i6+(6550) i3(3150 3158) i3+(3550) i4(4150) i4+(4550) i7(7150) i7+(7550) i8(8150) i8+(8550) j7(7150) j7+ (7550) Plus E5(5150) E6(6198)(6134) Vacuum Cleaner. This set works as great as the ones, precision fit and easy install.Durable Material The replacement parts kit made of latest high-strength materials, For best results, edge-sweeping brushes should be replaced every 2 - 3 months.Tips If the side brushes are bent or curled due to shipping, Please recover them by simply soaking them in warm water for several minutes. It will not affect the quality and performance.Colour As shownMaterial Plastic + MetalPackage Contents 10 x side brushes10 x screws1 x screwdriverOnly 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.