Product details:

Westbury Universal Drink Rail Adapter is compatible with all Westbury C Series designs including Tuscany, Riviera, and Verticable.The pre-drilled, ready to install kit is attachable to crossover or corner crossover posts. All you need to do is top it with a matching or complimentary deck board of your choice to create a perfect retreat to enjoy your favorite beverage. Works with both wood and composite deck boards.