The 3M Hookit Flexible Marine Fairing Board is a tough yet pliable tool for fine marine fairing and sanding. This lightweight board features a double-handle design that affords a secure grasp and easy handling, with a flexible facing for working smoothly across concaves, convexes and curves. The 4-1/2??x 30??longboard works with 3M Hookit abrasive sheets, saving time and money when sanding.