HIPA (Pack of 5) Fuel Tank Grommet with 2 Feet Fuel Return Line for ECHO SRM230 SRM231 SRM260 SRM261 SRM265 SRM266 SRM270 SRM280 SRM400 String Trimmer Replacement manufacturer part number: 13211555930 The rubber grommet meaures 1-inch on the top Package include: 5pcs fuel tank grommet, 2 feet fuel line