Compatible Models：The line spool is compatible For Easy Grass Cut 23, Easy Grass Cut 26, Easy Grass Cut 18, Easy Grass Cut 18-230, Easy Grass Cut 18-260, Easy Grass Cut 18-26 1.6mm-6m Length：Premium 1.6mm/ 6.0m Copolymer Nylon Resin F016800569 Grass Trimmer Spool Replacement Spool for Autofeed System：In use, the spool can use centrifugal force to transport the trimmer line as needed, reducing the tedious work of manually winding the spool and improving efficiency. Durable and resistant to abrasion for less frequent spool replacement High efficiency: The streamlined shape helps reduce air resistance for more efficient cuts. Flexible and supple, allowing the line to stretch and absorb shock on hard surfaces