Music City Metals 90691 Porcelain Steel Heat Plate Replacement for Gas Grill Models Sams 720-0691A and Sams 730-0691A Listing is for a single heat plate. 15.25 x 4.75 inch porcelain steel heat plate Fits Members Mark 720-0691A, 720-0778A, 720-0778C, 730-0691A; Nexgrill 720-0691A, 720-0744, 720-0778A, 720-0778C, 85-3225-6