Del Conca G8QT08GRIR 12" x 24" Quartzite Grip Rectified Porcelain Paver Dark Gray - This paver is part of the Del Conca Quartzite collection. It is suitable for indoor and outdoor residential applications. As unique as the earth from which it is born, each piece of the Quartzite collection is crafted to enhance any space with its own unique personality. Pavers are a very popular building material. They are a great option because there are endless patterns, shapes, and colors that can be used to fit any need.