Brand NEW The GENUINE STIHL X-Line String Trimmer Line is a high-quality, durable nylon string designed for use with various brands of string trimmers, including STIHL, EGO, and Kobalt. This .105" diameter, 213ft long trimmer line is compatible with models such as FS131, FS38, FS91, and more. The chartreuse color X-Line features the X Profile style and is made in the United States by STIHL, ensuring compatibility and performance for your outdoor power equipment needs.