Thanks, I am sure there are thousands
out there that are more skilled than me
but I am flattered anyway. The 3000
grit pad is only to check the work I have already done with the sanding blocks and so forth . It will buff the primer enough to see if there are any highs or lows . It is not intended to make the panel flat. I also use my hand to feel the panel but I like to see the panel in an almost finished phase as well. Actually I have used various grit ( 80, 220. 320 and 400 sanding disk
on my da sander and have never experienced any problems as far as gouging a low spot . You gotta keep it moving! As far as a sanding
block for your F 100 I got a long flexible
sanding block or longboard ( whatever you want to call it) from eastwood . It is made from a dense foam and as removable rods
that make it contour to your panel . It worked great on my deck lid and I am sure it will work well on your doors .