Originally Posted by
Calendyr
I use my 21mm DA on most cars that don't have a lot of curves. Otherwise I use the 8mm DA.
Went wet sanding I usually compound with a rotary and polish with either DA depending on curves again.
Although the 21mm with a wool pad is also good at removing sanding marks so if I was gonna use that machine to polish, I usually use it to compound as well.
Never heard of a 25 mm long throw, that must be really restrictive in terms of pannel flatness, I doubt I would like it ;)