Have added them to my business contacts.
I've only been using them for a couple of weeks but the fit is good and they are as good as OEM.
3 Inch brush deck bumper wheel for 28-32 inch disc decks. Fits Kent SelectScrub 17 and Nilfisk Advance Adgressor, BA 750ST, BA 850ST, CMAX 28ST, Convertamax 26, Hydro Retriever 3800
Fits Aftermarket Nilfisk Advance 56324499
This part is listed as fitting the following models: