Specification: Burner Crown Material: Aluminum Flame Cap Material: Iron Burner Crown Color: Silver Flame Cap Color: Black Compatibility? Not universal, but suitable for most brands please measure the size you need to replace before purchasing the product Size(Diameter): Flame Cap: S: 5.5cm/2.17inch, M: 7.5cm/2.95inch, L: 10cm/3.94inch Burner Crown: S: 4.5cm/1.77inch, M: 6.5cm/2.56inch, L: 9cm/3.54inch Package includes: 4pcs x Burner Crown with Flame Cap(1pc S+2pcs M+1pc L)