High quality *1.65cm* diameter and 3.4m cord, easily cuts grass and weeds Auto Feed System replacement spool saves time winding the cord by hand Package included: 12 packs of *1.65cm* replacement trimmer spools and 3 trimmer caps Note: The data are all manually measured, please allow 1-3cm error due to different light and display, there may be some color differences, please refer to the actual item received.