Pirahna&tm. Wallpaper Removing Scraper With Roller Keeps The Honed Blade At The Present Angle That Is Optimum For Removing Paper & Not The Drywall, No More Gouging Walls, The Roller Reduces Resistance & The Soft Textured Handle Minimizes Hand Fatigue, When Used In Conjunction With Pirahna Adhesive Removers Your Job Is Finished Faster & Easier.