The reversible cast iron cooking plate allows you to add a different kind of cooking surface to your Monument Grill. Perfect for searing meats, and cooking fish or vegetables for family or friends. The 9.45" x 17.7" cast iron construction provides great heat retention. Reversible as one side is smooth, and the reversed side is ribbed. Works on all gas or charcoal grills with a cooking surface larger than 10" x 18".Compatible with grill models 24633, 13892, 17842, 24367, 35633, 41847NG, 77352, 77352NG, 77352MB, D405, D425