Set of 3 replacement control knobs for Weber gas grills Fits Weber's Spirit 500 and 700, Genesis 1000 to 5500, Genesis Silver and Gold (pre-2004 models), and Platinum I and II Made of glass-reinforced nylon Genuine Weber replacement part Weber, Genuine Weber Parts, Replacement Gas Grill Control Knobs Fits Genesis 1000, 2000, 3000, 4000, 5000 Grills, Genesis 1000LX, 2000LX, 3000LX Grills, Platinum I & Platinum II Grills, Genesis Silver A, Silver B, Silver C Grills, Genesis Gold B & Gold C Grills, Spirit 500 & Spirit 500LX Grills, Spirit 700 & Spirit 700LX Grills, Packaged In Clam Shell.