Looks to me like rivet0r is using red.. Tho he doesn't say where, home despot or lowes most likely .
These are the ones i use. Orange pad is from home-depot when they are worn out. I pull the remaining off and hot glue a white pad on it. Thin 1/4 and 1" pads white or blue 1/4 inch haven't found a source for 1" blue as of yet with-out a handle. Despot has the 1/4 inch blue in a 4-5 pack
Blue is the most aggressive and is scratch safe. I always read the blue pad labels because some are not. Meaning they are not the scotch- brite brand. The scotch-brite blue is. Aggressive levels imo white to orange to blue.
I use to put a 1/4 pad cut up and folded in 1" blade space of my boab. Then i moved to using handled pads and have not looked back.
I also use the unger pad holder handle ones for commercial glass.
On topic of thread.
Have been using the eurgo-tec belt for awhile. But i am thinking of tweaking again. Doesn't hold the new unger scraper holder very well.
pad kind-of twist on me. I'll be doing some adjustments this week. post later " steve"