✅ Special Notes for this item: If you are looking for parts, the BRAND and MODEL No.# listed below are just for your reference. Please kindly check again for the SIZE and MODEL of your original parts before purchasing. ✅Cast iron grids are fragile and may be broken during transportation. If you meet this situation, please feel free to email us and ask for solution. ✅ Dimension: 16 4/9'' x 9 1/4" each, 16 4/9'' x 27 3/4" in total, the item include 3pcs Cast iron Cooking Grates (1 diamond style grates and 2 normal grates). Material: matte Cast Iron Porcelain enameled. Long-lasting use, Much heavy, more durable. Cast iron grates not only heat evenly and retain heat superbly, but also deliver professional searing, able to give prominent nice sear marks to meat/ veggie. ✅ Fits for Dynaglo grill models: DGH450CRP, DGH450CRP-D, DGH474CRP, DGH485CRP, DGB494SPB, DGB495SDP-D, DGF493BNP, DGH483CRP. ✅ Fits for Kenmore Grill Models 146.16132110, 146.16133110, 146.23678310, 146.23679310, 640-05057371-6. ✅ Also fits for Backyard grill BY13-101-001-12, BY14-101-001-099, GBC1440W, GBC1440WRSB-C, GBC1449W-C, GBC1449WBS-C, GBC1449WRS-C. fits for Uniflame grill GBC1030W, GBC1030WRS, GBC1030WRS-C, GBC1134W, GBC1134WRS, GBC1343WP-U. ✅ To Extend the life of our grill: Make sure to clean the grates before each use. Remove as much liquid as possible before placing food on the grill. Oiling the grill can prevent food from sticking to it. Put the grill back and cover it when not in use. ✅ How to use grates and will last longer: the first time to cooking please heat the grates in the grill to 500-600 degrees for 10 minutes. Once the grates we're cooled and coat them with olive oil, and again heated the grill to 500-600 for another 10 minutes. Suggest brushing with a cooking oil occasionally if exposed to the salt air to keep protected over time. Direct Store DC148 16 4/9'' Cast Iron Cooking Grates for Dynaglo DGH450CRP DGH450CRP-D 4 Burner, DGH474CRP DGH485CRP DGB494SPB, for Kenmore 146.16132110 146.23678310 Backyard BY13-101-001-12 Grill. Dimension: 16 4/9'' x 9 1/4" each, 16 4/9'' x 27 3/4" in total, the item include a set of 3 Cast iron Cooking Grates (1 diamond style grates and 2 normal grates). . Material: Cast Iron. Long-lasting use, Much heavy, more durable, retains heat superbly and is easy to clean up. Can leaves beautiful sear marks on the cooking food and makes it an appetizer. Fits for Dynaglo grill models: DGH450CRP, DGH450CRP-D, DGH474CRP, DGH485CRP, DGB494SPB, DGB495SDP-D, DGF493BNP, DGH483CRP. Fits for Kenmore Grill Models 146.16132110, 146.16133110, 146.23678310, 146.23679310, 640-05057371-6. Also fits for Backyard grill BY13-101-001-12, BY14-101-001-099, GBC1440W, GBC1440WRSB-C, GBC1449W-C, GBC1449WBS-C, GBC1449WRS-C. fits for Uniflame grill GBC1030W, GBC1030WRS, GBC1030WRS-C, GBC1134W, GBC1134WRS, GBC1343WP-U.