The 3M Hookit marine fairing board is a tough and versatile tool for fairing, sanding and finishing boats, from deck sanding to finishing plugs and molds. This lightweight board features a two-level design that affords a secure, comfortable grasp and easy handling. The 4-1/2 x 30 in long board works with 3M Hookit abrasive sheets, saving time and money when sanding marine surfaces.