Spool Line Length: 8 Ft. 18 in. cutting swath for efficient cutting. 0.08in. Line: Durable and can easily be loaded in seconds. Straight shaft configuration offers excellent reach. Compatibility: Fits Attachment capable units from Ryobi, Greenworks, Remington, Craftsman, Yard Machines, Troy-Bilt, Yardman, Snapper, Bolens, Murray, Kobalt and most other major brands.Powerhead coupler accepts 1 inch AL diameter tube Drive shaft connector: Square shape .205” Female Attachment drive shaft: Square shape .200” across flats. Fits attachment capable Units from Ryobi and Homelite.You can get extra reach to trim areas that are hard to get to like underneath benches, decks and shrubs.