Kohler K-3355-L Undertone high/low undercounter kitchen sink with left basin depth of 5-1/2" and right basin depth of 9-1/2"KOHLER; Undertone; double-basin sinks give you the option of rounded or squared basins to suit your individual preferences. This high/low undercounter kitchen sink with left basin depth of 5-1/2" and right basin depth of 9-1/2" is constructed of durable, stain- and corrosion-resistant 18-gauge stainless steel, and features SilentShield Plus;, which sharply decreases the noise from dishes, running water and disposals.Kohler K-3355-L Undertone high/low undercounter kitchen sink with left basin depth of 5-1/2" and right basin depth of 9-1/2" Features:; Exterior dimensions: 30-3/4" x 20-1/8"; Interior dimensions: 28-3/4" x 17-7/8"; Basin depth: L 5-1/2", R 9-1/2"; High/low basin sink; Undercounter installation, 18-gauge stainless steel; No faucet holes; SilentShield Plus; sound-absorption technology