Atwood 57190 Black Replacement Grate Cooktops DIMENSIONS - 7 1/4" W x 18 1/2" L x 1 5/8" H. QUALITY - Proven to deliver exceptional quality and performance. SOLUTION - For your outdoor adventures and as always, "Mobile living made easy. USE - Made to replace the grate for Dometic RA 2135 cooktops. ULTIMATE - Blend of unbeatable convenience and functionality.