Swim Ladder / Rescue Ladder

[um]

Recently I saw this ladder mounted on an IF in Sweden:
https://fotoalbum.web.de/gast/uwe.mukrasch/if

Does anybody know where this ladder could be bought ?

Regards
Uwe Mukrasch

[johan swe-1870]

I think that one is home made.

Have you seen the similar standard ladder? That one I think may be bought at least second hand in Sweden.