Also Fit for: The replacement compatible with iRobot Roomba e, i, & j Series e5(5150), e5(5134), e6(6198), i3(3150), i3+(3550), i4(4150), i4+(4552), i6, i6+(6550), i7(7150), i7+(7550), i8, i8+(8550), j7(7150), j7+(7550)
Easy to Use: No tools required, just snap on. Replaces old broken, loose, worn, or missing front wheel caster
Package Included: 2 x Front Caster Wheels. If the front caster wheel does not rotate, is squeaking, or falls out, need to clean and keep roomba running at peak performance
Customer Service:Just contact us if you have any problem of our product or our service without any hesitate, and once we receiving your email, we will try our best to solve your problem at once and help you save more time on these trivial matter