Please read the following instructions and product pictures carefully before purchasing. ??This product has been professionally inspected ad and tested with by Our engineers.Accessories may not be original, but will be compatible and fully functional. ??,Lightweight trimmer attachment : Designed with a lightweight feel with heavy-duty aluminum. Perfect for replacing worn out lower booms. ?? 34-inch extended reach: Straight shaft added reach makes it easier to trim under bushes, around fencing, and in hard-to-reach places. ?? Fixed line head: Makes loading line quick and easy by using pre-cut, easy to insert cutting line. Reload and regroup in no time. ?? 0.105-inch line: Durable and can easily be loaded in seconds. ?? Cutting direction:Cutting in the Left handed can be judged from the blade position of the trimming line.You can choose the trimmer head with Red or Green. ?? compatibility Fits for Troy-Belt, Remington, Craftsman, yard machines, yardman, Snapper, Boles, Murray, Ryobi, Green works, Cobalt and most other major brands. ?? products external tube Diameter: 1-Inches(25.4mm). Flexible Drive Shaft connector: Square shape, 1/5”.Check description below for all compatible models. ?? Examples of applicable models: Ryobi:RY253SS ,RY40250,RY4CSS,RY40006VNM, WORX : WG186.9,WG186,WA0223 , WA0220 ,WA0221 ,WA0222 , Toro Weed, Eater and Troy Bilt, Craftman, homelite.mtd trimmers.