About This for weber spirit 300 grill grates --Wide Compatibility for Spirit 300 / 400 & Genesis Series Designed as replacement grill grates for Weber Spirit 300 & 400 Series, including Spirit E310, E315, E320, E330, S310, S320, S330, E-425, E-435, and more. Also fits Genesis Silver B/C, Gold B, Spirit 700, Genesis 1000–3500. ❗Not compatible with Genesis Silver A. Please verify model before purchase to avoid mismatch for weber spirit 2025 grill grates --Designed for Spirit 2025 Front-Control Models (New Gen Fit) Engineered specifically for Weber Spirit 2025 models with front-mounted controls, including E-310, E-325, and Spirit 400 Series (E-425, S-425, E-435). Accurate sizing ensures a secure, no-wobble fit—ideal replacement for upgraded firebox structures 7mm stainless steel grill grates --Upgraded 7MM Solid SUS304 — Heavy-Duty & Built to Last Constructed with 7mm thick solid 304 stainless steel rods, thicker than standard 5mm grates. Delivers superior durability, strong heat retention, and resistance to rust, warping, and corrosion—perfect for frequent BBQ use and long-term performance weber grill grates replacement 17.4 --2-Piece Mixed-Size Design — Full Coverage, Stable Placement Includes 1 large grate (17.4" × 16.5") + 1 small grate (17.4" × 7.2"), designed to match Weber Spirit split firebox layout. The mixed-size configuration ensures smooth placement on ledges, prevents shifting, and improves grilling stability stainless steel grill grates for weber --Even Heat Distribution & Bold Sear Marks Precision rod spacing increases food contact and promotes even heat distribution across the cooking surface. Helps reduce hot spots and flare-ups while delivering consistent cooking results and professional sear marks for steaks, burgers, and more easy clean grill grates stainless steel --Easy to Clean, No Coating to Peel — Built for Daily Use Smooth stainless steel surface resists sticking and wipes clean easily with a grill brush. No enamel or coating means no chipping or flaking. Welded edges and rounded corners improve safety and durability—ideal for hassle-free outdoor cooking