Echo B6 Professional Trimmer Head for Echo SRM-420TES/U, SRM-520ES/U

Suits: Echo SRM-3020TES/U, SRM-335TES/L, SRM-335TES/U, SRM-350ES/L, SRM-350ES/U, SRM-420ES/L, SRM-420ES/U, SRM-510ES/U, SRM-520ES/L, SRM-520ES/U
Shindaiwa T302TS, C302TS, C360T, B510S
 This is professional trimmer head. These trimmer heads are a true quality bump feed system which work excellent, easy to use and are fully serviceable.
 6” Trimmer head diameter
Professional bump feed system
10mm x 1.25mm L/Hand thread
Fully serviceable with a range of replacement parts
These trimmer heads suit many different trimmers, including the following:
  Echo SRM-3020TES/U, SRM-335TES/L, SRM-335TES/U, SRM-350ES/L, SRM-350ES/U, SRM-420ES/L, SRM-420ES/U, SRM-510ES/U, SRM-520ES/L, SRM-520ES/U
Shindaiwa T302TS, C302TS, C360T, B510S