This grid fits into the bottom of your sink and has an opening for the sink drain. The grid features four black poly covered feet on the bottom, as well as poly covered side bumpers. This grid fits sink models OMSK951-18BX, OMSK954-18BX, OSK951-18BX, OSK951BX, OSK954-18BX, OSK954BX, OTSK951-18BX, OTSK951BX, OTSK954-18BX, OTSK954BX, UDSK900-18, UOSK900-18, USASK900-18, DMSK951-18BX, DMSK954-18BX, DSK851-18BX, DSK851BX, DSK854-18BX, DSK854BX, DSK951-18BX, DSK951BX, DSK954-18BX, DSK954BX.