【Perfect Fit】- This replacement burner is suitable for Weber Spirit 300 Series E-310, S-310, E-320, S-320, E-330, S-330, SP-330 (2013-2017) with front-mounted control knobs. Also for Weber Spirit II/LX 300 Series E-310, S-310. 【Package and Dimensions】- The set includes 3 main burners and 1 small crossover burner. The dimensions are as follows: Left and Right Main Burner: 45.3 cm, Medium Main Burner: 45 cm, Crossover Burner: 38.7 cm. With these precise dimensions, the burner fits perfectly into your grill without gas loss. Easy to install, safe and efficient. 【Durable and Robust】- Made of high-quality 304 stainless steel, the burner provides exceptional corrosion resistance and heat resistance. Durable and robust, the burner remains in perfect condition even under extreme conditions. Perfect for a reliable and safe grilling experience, year after year. Easy to Use: To adjust the desired flame, simply turn the air damper. For any special requests or questions, we are always at your disposal to offer you a quick solution. 【Secure Fit】– The burner fits perfectly into your grill machine, ensuring no gas leaks. This secure fit ensures efficient gas usage and makes your grilling sessions safer.