General description High quality 1.65 cm diameter and 3.4 m length trimmer line designed for efficient cutting of grass and weeds. This Auto Feed System replacement spool eliminates the need for manual winding, saving you time and effort. The package includes 12 packs of 1.65 cm replacement trimmer spools and 3 trimmer caps. Technical specifications Diameter: 1.65 cm Length: 3.4 m Quantity: 12 trimmer spools Included: 3 trimmer caps Other information Note: The data are manually measured, please allow a 1-3 cm error due to different lighting and display. There may be some color differences; please refer to the actual item received.