These came in a joblot of vacuum cleaners I bought but I have no way of testing them. looking at pictures on Google they look like there for a V6 I have added a few pictures of the brush head part numbers so you can check. sold as untested
The "GENUINE DYSON V6 BRUSH HEAD AND TOOLS JOBLOT" is best suited for professionals needing a high-performance vacuum cleaner for heavy-duty residential and light commercial cleaning tasks.