An IPT Sinks sink grate or basin rack plays a valuable role in your kitchen and the lifespan of your sink. The IPT Sinks (GR-508) grate is designed for a precise fit on your IPT Sinks SB-508 sink, help prevent surface scratching and allow the sink to drain properly. The matching grates are made from high-quality 304-grade stainless steel which helps prevents rust and corrosion. This set is designed to be used with IPT SB-508 series sinks.