Daniel Robertson Bricks - Traditonal 76mm Selections. Daniel Robertson has long been a leader in the industry for its commitment to producing unique and reliable clay bricks. The rough appearance of the brick has been acquired through generations of developing and experimenting. What you see today is the finished product; a clay brick that has stood the test of time, that has helped build Australia into what we know it to be today, and which has captured the imaginations of architects and designers the world over. The standard 76mm brick are hand sorted and blended once it leaves the kiln, a practice that ensures Daniel Robertson blends maintain the tonal variance and aesthetic excellence they are famous for.