【Compatible with Ryobi Cordless Brush Cutters】This replacement spool for brush cutters is compatible with Ryobi ONE+ cordless brush cutter models: 18V, 24V, 40V. 【Automatic Feed Spool】The Ryobi replacement spool for brush cutters is easy to use, automatically feeding the brush cutter via centrifugal force, reducing the hassle of having to manually sort the replacement spool for brush cutters while working. 【Abrasion Resistant】The Ryobi replacement spool for brush cutters is made of superior quality polyamide nylon with a tensile strength of over 100 lbs and is 30% stronger than other brands for longer life. 【Cutting Efficiency】The Ryobi replacement spool for brush cutters is soft and flexible, allowing the line to stretch and cushion upon impact with hard surfaces, increasing the 50% cutting efficiency, allowing each spool to cut more weeds. 【Professional Seller】We have an excellent after-sales service team and a product quality guarantee. The package contains 9 Ryobi lines and 2