Weber part # 88214 Tank Scale for some Spirit & Genesis LP Grills. Mounts on the interior, RIGHT side of the grill cabinet. Spring loaded with 5 indicators (Empty to Full). Hang LP tank from it to determine how much propane is in the tank. Includes: (1) Wing nut part # 87901 (1) Clip for tank scale and Instruction sheet It does NOT include the washers & screws. Measures 6-1/4" tall x 2-5/8" front to back which is slightly smaller than Tank Scale # 69877. Weber part # 88214 Tank Scale for some Spirit & Genesis LP Grills. Mounts on the interior, RIGHT side of the grill cabinet. Hang LP tank from it to determine how much propane is in the tank. Spring loaded with 5 indicators (Empty to Full). Measures 6-1/4"L x 2-5/8"W which is slightly smaller than Tank Scale # 69877. Includes: (1) Wing nut part # 87901 (1) Clip for tank scale Instruction sheet It does not come with the other hardware part #81803 - washers & screws. If you need these - you must order separately.