Artistic Pavers® Steplock® PC2SBCCLI412 4" x 12" Ivory Corallock® Pre-cut Double Sided Bullnose Coping for 7' Dia Spa 1-5/8" Thickness. Corallock® pavers are part of our Steplock® Line and is another beautiful, natural alternative. Its coral texture defined in luxurious detail transforms any deck into a rich natural setting. Each piece is created with great detail to replicate true coral, but without the negative characteristics of actual coral. You can expect a slight variation in shade color and patterns which again, simply adds to the natural appearance of each piece. Corallock® pavers and coping is available in Ivory and come in various sizes. Corallock® ships from the East Coast and West Coast factories.