MTD Genuine Parts Xtreme .130-Inch x 14.5-Inch Professional Grade String Trimmer/Mower Pre-Cut Line Professional grade trimmer line Fits MTD, Swisher, Poulan, Ariens, DR, Troy-Bilt, Craftsman and others Cuts up to 9 times more area than economy lines (depending on cutting conditions and type of trimmer head) .130" diameter line Contains 5 refills and a cutting tool Replacement professional grade trimmer line Fits MTD, Swisher, Poulan, Ariens, DR, Troy-Bilt, Craftsman and others Cuts up to 9 times more area than economy lines (depending on cutting conditions and type of trimmer head) .130" diameter line 5 refills, measures 14.5"