High Quality Cast-Iron Cooking Grid Porcelain Treated, Matte Finish (Not Weber) , 

Fits Weber Spirit 300, Series 310 and 320 Gas Grills , Fits Spirit 300 series, Spirit 700, Genesis Silver B/C, Genesis Gold B/C, Genesis Platinum B/C (2005 model Year) Genesis 1000-3500 models.

Fits Weber Genesis Silver B and C, Spirit E-310 , 

Fits Weber Genesis Silver B and C, Genesis Gold B and C, Genesis Platinum B and C, Summit 425, 450, 475, 625, 650, 675, Genesis 1000, 1500, 2000, and 3000

Fits Spirit E-310, Spirit SP-310, Spirit 700, Genesis Silver B & C, Genesis Gold B & C, Genesis Platinum B & C, 2005 Model Year & Genesis 1000-3500 Gas Grills

Fits Weber Genesis 1000-5500. Spirt 700, 900, Genesis Silver B, C, Gold B, C, Fits Weber OLDER Summit 400 and 600 Series

Fits Weber Models: 2251411 2261001 3720301 3721001 3731001 3820301 3831001 4421001 4421301 4421411 4431001

Dimensions : 17-5/16" x 11-13/16 Each , 17-5/16" x 23-5/8" Total, 

Material : Cast-Iron with Black Matt Enamel