Carlisle’s OptiClean™ system includes a full range of glass racks designed to meet your needs. Full dividers in the base offer complete protection for delicate rims. Use with large brandy snifters, grande margaritas, carafes, and other items with a wide diameter. compartment size: 5-13/16" x 5-13/16". accommodates glasses up to 5-9/16" in diameter.