I wouldn’t bother unless you can get one second hand, last time I checked they were over £100 😯 and none of the pattern suppliers seem to do them anymore 🙁
electrue do a kit but when i spoke to the rep she says it only works on wmas if u have the old extractor kit which they do not sell. the kit they have was about £90 inc vat
GLM in Wolverhampton do an extraction /fitting kit which by using the WM shaft will extract a broken 6205 outer race. No colletts. 01902 304488. £35 + vat. Instructions included.