Sopko
Sopko 457-0844 Dumore Brush W/Spring 4570844 (Pack of 7)
I used the Fiberglass Warehouse Black Gel Coat –Gallon (WAXED) with Catalyst to restore my old jet ski.
Dumore Brush W/Spring 457-0844 WM. Sopko & Sons Lot of 5
You will find that the 4176597-4oz holds its shape under pressure.