800 grit and a bout an hour to do 4.
Adhesion promotor (used clear) 3 coats
Plastic paint from duplicolor (was able to match to match the paint with thier book)
Clear coat/ high gloss 6 coats/
It took us roughly 5 hours from start to finish while playing darts and hanging out...in teh garage all night.
They've been mounte dup on my bud's DMax and has preassure washed them without issue.