Premium QualityThe gas stove stand rack is made of cast iron, sturdy and durable, not easily deformed, no rust. The humanized design to satisfy different family use. Strong Practicabilitystove wok ring controls the heat of a gas range; perfect for balancing smaller pots or pans on the stovetopabsorbs and diffuses heat evenly. Safe & stableThe stove support ring has perfect grooves on the bottom so it doesn't slide.It keeps the wok stable so you don't have to worry about it toppling over. Widely ApplicableThe cast iron wok support ring fits all stove that has perpendicular crosshair style grates, works with different sizes pots/pans with round/flat base. SizeThe outer ring diameter is 7 inch ( 18CM); Inner ring diameter is 6.3 inch (16CM); Slot width is 0.39 inch(1CM).(Notice: Please kindly note the product SIZE before purchase to make sure whether it is fit your stove).Specifications: Material: Cast Iron Features: Universal, Kitchenware, Durable Outside Ring Diameter: 7Inch/18CM Inside Ring Diameter: 6.3Inch/16CM Slot Width: 0.39 Inch/1CM weight:322g Package Includes: 1 x Wok Stand (Others Not Included)