This is a genuine Dyson direct drive cleaner head. Model number: 164355 Compatible models: SV14 = V11, SV12 = V10, SV10 = V8, SV11 = V7 The following has been done: Disassembly and cleaning Operational check This is a used item, so please assess the condition from the images. If you have any questions, please leave a comment. I think it's relatively clean, but please refrain from purchasing if you are looking for something as good as new or unused. Please note that it will be simply packaged and may be shipped in recycled cardboard.