Junxidz 22-455 Heavy-Duty Professional Magnum Gatorline Square String Trimmer Line .155-Inch Diameter 1-Pound Donut, 25 ft, Gray Cordless Grass Trimmer  (Manual Feed)

High cutting efficiency – Magnum Gatorline allows you to get cleaner, straighter cuts with less effort than traditional trimmer line|Durable – High-strength inner core resists breakage which means that the line lasts longer and you spend less time winding spools|Square trimmer line – Slices through vegetation with a clean, even pass|.155" diameter trimmer line is ideal for professionals cutting tough vegetation and underbrush|Fits several string trimmer models including, but not limited to Remington RM1159