Blanco spex 440316 Equal Double Bowl Kitchen Sinks, Stainless steel kitchen sinks, Blancospex 440316 or 501-106 is part of the Premium Collection. Double bowl Undermount kitchen Sinks. 20 gauge. The usable sink space is 14" wide x 16" from front to back. The total size of the sink is 31 1/8" wide x 18" from front to back. The bowls are 7 1/4" deep. The required outside cabinet space is 36". Value engineered designs, including a broad selection of styles, configurations and special features. Featuring a Satin Finish.