【Compatibility】: Compatible With Ryobi One + Ac14Rl3A. Suitable For Multiple Models Of Ryobi Cordless String Trimmers: 18V, 24V, 40V.【Premium Material】: The Replacement String Trimmer Spool Line Is Made Of High Quality Abs. Not Easy To Break Supports Fast Cutting And Longer Service Life.【Convenience And High Efficiency】: Flexible And Strong Cord For Cutting. Allowing The Line To Stretch And Cushion Impact On Hard Surfaces, The Aerodynamic Shape Allows For Less Drag For More Efficient Cuts.【Auto-Feed Replacement Spool】: Compatible With Cutter- Ryobi Edges And Uses Centrifugal Force To Power The Cutting Line As Needed. With The Auto-Loading System, The Replacement Spool Makes The Tedious Work Of Hand-Winding Spools Easy.【Package Includes】: 6 Packs Of Trimmer Replacement Line Spools And 2 Packs Of Trimmer Line Cap Covers. Spare Are Packed In A Package For You. The Spool Is 11 Feet In Length And 0.065" In Diameter And The Cap Fits The Replacement Spool. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.