1、Perfect Fit: This trimmer spool line is compatible with most automatic feed trimmers and replacement for the original spool model for AF 100 series. 2、Cost and Effective: Get 6 replacement spools of the original parts, saving your money on repairs and maintenance, avoid duplicate purchases. 3、Save Time: The pre loaded spools are ready to use, saving valuable time by eliminating the need for manual winding and making your work more efficient. 4、Prime Materials: Each spool is pre wound with durable, high strength nylon threads to provide long lasting performance. 5、Efficient Cutting: The flexible trimmer spool allows the line to stretch and cushion over hard surfaces, increasing cutting efficiency by up to 50% for more effective weed trimming. Item Type: Trimmer Spool Line Product Material: Nylon Length of Weeding Rope: Approx. 9.14m / 29.99ft Diameter of Weeding Rope: Approx. 0.165cm / 0.06in Spool Diameter: Approx. 6.4x2.8cm / 2.5x1.1in 6 x Trimmer Spool Line