Router 'bit'

Router bit
Needing a 1-1/4” guide bushing (Porter Cable 42021) for Tony Latham’s interior galley lip (p77). It appears this is no longer available, and we can’t seem to find an equivalent from other companies.
Any ideas? TIA
Needing a 1-1/4” guide bushing (Porter Cable 42021) for Tony Latham’s interior galley lip (p77). It appears this is no longer available, and we can’t seem to find an equivalent from other companies.
Any ideas? TIA