The DEWALT DWO1DT801 50 ft x 0.080 In. string trimmer line is designed as an aerodynamic trimmer line optimized for cordless cutting efficiency. This string trimmer line is made from combination of flexible and impact resistant materials, designed for long, durable use. Used for trimming and edging grass. 50 Ft. of string trimmer line with a 0.080 In. diameter.