Homax® Drywall corner tool helps you achieve a professional finish to any drywall project. The beveled straight edges and molded 90 deg angle aids in applying joint compound, taping or repairs of inside corners. Constructed of heavy-duty, high-impact polystyrene, Homax® Drywall corner tool is both durable and lightweight. It's easy to clean and comfortable to use for new or patch and repair drywall jobs. Great for do-it-yourselfers and pro contractors.