Jamestown Distributors TV: 3M Perfect-It Paint Finishing System: Sanding. This video gives a recap of the 3M Paint Finishing System and then details the first step which is sanding. You can find the 3M Perfect-It Paint Finishing System at http://www.jamestowndistributors.com/userportal/search.do?refineType=1&refineName=Brand&refineValue=3M&refine=1&page=GRID. Visit http://www.jamestowndistributors.com for all your marine and building needs.