Our high-quality BLANCO QUATRUSa??¢ R15 sinks deliver the modern design details of a sink you didna??t think was in your budget. And the generous corners make daily clean ups easier. Smart design meets intelligent value! Generous R15 radius offers transitional yet geometric design. Drain NOT included.- Bowl Depth~ 8a???- Required outside cabinet~ 21a???- Cutout Size~ Template provided with approximate 1/8a??? reveal- Satin Finish- 304 Series Stainless Steel- 18 Gauge Stainless Steel- 18/10 Chrome-Nickel Content- Limited lifetime warrantyUndermount clips are provided.Installed sound deadening pads.