Weber #10459 27" Burner Tube Set for some for some Spirit 500, Spirit 500lx and Genesis Silver A Each burner measures 27" in length. Includes Crossover Tube # 83738 (measures 10-1/2" with 3/8" OD) Fits Spirit 500 & Spirit 500lx Grills, Genesis Silver A Grills, Packaged In Clam Shell.