400 grit sandpaper is my “magic sauce”. I use it ALL THE TIME! This is the grit you want to use to prep sand your pieces prior to painting. This grit does not leave an aggressive scratch pattern behind. It’s also great to use in between layers of paint and topcoat to get a super smooth finish.
Remember, always wear a mask when you are sanding!
(Note: At the time of this listing, masks are in short supply due to COVID-19 If you have access to a sanding mask, please reuse it to save masks for health care workers.)