[High quality material]These wok ring universal for gas hobs adopt cast iron with high heat resistant coating which is sturdy and durable,good skid resistance, not easily deformed,no rust.[Size]These wok pan support stand for gas hob Size Inner diameter: 16CM,Outer diameter:17.7cm,Height: 3cm,very useful for round bottom wok,perfect for balancing smaller pots or pans on the stovetop or replace the old or worn one of your gas stove.[Perfect accessory]These wok stand is an accessory that every gas hob top should have,especially for any Asian food lover or Asian eating establishment,Perfect for creating some amazing stir-fry dishes.[Multipurpose]This universal cast Iron stove round trivets will sit on your hob grates and reduce the space above your burner allowing for smaller pans / moka coffee makers.Colour:blackMaterial:cast ironPackage Contents:2 * pot holderOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.