Compatible Models: The line spool is compatible with EasyGrassCut 18V-230, 18V-26, 18V-260, 18, 18-230, 18-26, 18-260, EasyGrassCut 23, 26 and ART 23SL, 26SL Ø1.6mm-5m Length: Premium 1.6mm/ 5.0m Nylon Resin Copolymer 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 abrasion resistant for less frequent spool replacement. High efficiency: The streamlined shape helps reduce air resistance for more efficient cuts. Flexible and smooth, allowing the line to stretch and absorb shock on hard surfaces.