Undertone bottom basin rack fits 15-3/4" x 15-3/4" five-sided basinThis Undertone bottom basin rack is designed to fit neatly into the bottom of a five-sided Undertone kitchen sink basin, creating a workstation for quick and easy tasks. List price: $63.00 and upFor use with K-3345 Undertone sink 15-1/4" x 15-1/4"