Karran stainless steel bottom grids will help maintain the brand new look of your sink, preventing unwanted scratches and scuffs from pots and dishes while allowing water to easily drain. Designed to protect your sink from daily dishwashing tasks. Karran stainless steel bottom grids will also enhance the look of your quartz sink. - Constructed of solid T304 stainless steel to resist corrosion - Protective bumpers and plastic feet elevate grid and prevent slipping - Fits on QT-721 and QU-721 - 1-Year Limited Warranty