Artistic Pavers Granitelock™ CGLSG412 4" x 12" Sterling Gray Bullnose Coping - Artistic Paver's coping is ideal for decorative uses such as pool coping, raised walls, steps, spillways, fountains, benches, planters and more. The bullnose finish is perfect for outdoor pools leaving a softer look and feel around your pool. The Granitelock™ style is an excellent alternative to granite. It has the same beauty of the natural stone and is made of durable materials.