bbq factory Replacement Porcelain Steel Wire Rock Grate JCC601 for Select Gas Grill Models by Arkla, Charmglow and Others (21 11/32" x 12 1/2") Fits arkla gas grill models 4000u, 4000u6, 4029f, 4040u, 4040u6, 4041k, 4041kn, 4041u, 4049f Also fits arkla models 41630, 41630-s, 41631, 41632, 41693, 42600, 42601-2r, 42602-g, 42610, 42682, 42683, 42684, 42691, 42791 Also compatible with arkla models 42610-np, 42610-ns, 42611-n, 42612-n, 42618-s, 42629, 42630-n, 42630-ns, 42639, 42639-s, 42680, 42681 Material: Steel wire Porcelain Steel ; Dimensions: 21 11/32 inch x 12 1/2 inch; Rock Grate may also be known as a Flavor Grid, Flavor Grate, Anti Flare Up, and Lava Grate.