GI1312 Porcelain coated Cast Iron Cooking Grid Replacement for Master Forge SH3118B Gas Grill and Others, Set of 2 GI1312 Gloss Porcelain coated Cast Iron Cooking Grid Replacement for Master Forge SH3118B, Set of 2 Fits Master Forge SH3118B, #SH3118B Dimensions: 17 5/8" x 9 11/16" Each or 17 5/8 x 19 3/8-Inch Total Make sure you measure the size of your original parts and compare with ours BEFORE you order