I worked with Cascade to create a large shelf installation (12 long x 9 high) to make walking down a long hallway an event rather than a hurried act to get from one room to another. Communication with Cascade was so helpful and they were also able to provide the size bolts i needed. These brackets have HEFT! I selected the powder coated brass which looks amazing against the glass and stained red oak shelves holding my library and glass collection. Very happy with how everything turned out.