Compatible with Contour 500 XT Power Trim 500 XT Mini Trim Auto STXTPlus XT Mini Trim Contour.5007 00 (pnc 96485967) Revolution 200023002500 and Twist and Edge.Please check the model carefully before purchasing to ensure it is the correct fitting you needPackage Includes: 4610 Replacement Line Spools for Flymo FLY021 TrimmerABS Spool & Nylon Line: The trimmer replacement line spool was made of raw materialABS spool sturdy enough, soft nylon rope, strong enough for long service life.Precautions for use: Strong centrifugal force and rapid cutting during use, it is recommended to wear eye protection and long pants to avoid unnecessary injury.And this wireless weed eater charging is only suitable for tender weeds.It is recommended to use blades to cut weeds.If you have any questions, please do not hesitate to contact us, we will answer you