Nantucket BG43 Stainless Steel Grid for NS43-9-16, NS43-10-16, NS43-11-16 Protect your sink with a solid stainless steel grid that sits on the bottom of the sink. It will protect the sink from dents and scratches caused by heavy pots and pans or those extra sharp knives. This grid was designed specifically to fit the Nantucket sink so your guaranteed to get a perfect fit.