Arnold Maxi-Edge .105-Inch x 665-Foot Commercial Grade String Trimmer Line Maxi Edge .105" Trimmer Line Universal / Fits most gas string trimmers Cuts up to three times more area than economy lines 665-feet of red line, 6-Point Star Contains 44 refills Replacement commercial grade string trimmer line Universal / Fits most gas string trimmers For bigger jobs and more frequent use; Cuts three times faster and up to 3 times more than residential lines Edged, not round line shape improves cutting performance .105" diameter, red line, 6-point star; Contains 44 refills and measures 665 ft.