The PC47RD Mixing Chamber kit with Drill bits by Graco is designed for use in spray foam insulation projects. This kit includes all the necessary components for mixing and applying foam, making it suitable for a variety of uses including exterior walls, floors, roofs, garages, interior walls, basements, ceilings, pipes, cold rooms, and attics/lofts. The high-quality materials used in this product ensure a smooth and efficient insulation process for any project. New sealed