Kohler K-6647-ST Vault Bottom Basin Rack for Vault K-3823 and Vault K-3839 Kitchen Sinks, Stainless Steel 11-1/20" x 15-19/20" For use with the Vault K-3823 and K-3839 offset kitchen sink Dishwasher-safe Fits in the small (right) basin of the Vault K-3823 or K-3839 Crafted from stainless steel