THTEN 2900719 Trimmer Blades Head Spool Line Compatible with Greenworks 2101602 2101602A STBA40B210 2101602 ST40B410 BST4000 String Trimmer 28+10+4+1 AC14RL3A 6+1 Fits WORX series trimmers/edgers: WG105，WG106，WG108，WG109，WG112，WG113，WG115，WG116，WG117，WG118，WG119，WG124

Fits WORX series trimmers/edgers: WG105，WG106，WG108，WG109，WG112，WG113，WG115，WG116，WG117，WG118，WG119，WG124

EASY TO INSTALL: All signs comes with 4 pre-drilled corner holes for easy mounting

Aerodynamic line optimized for cordless cutting efficiency

Perfect for outdoor

THTEN 2900719 Trimmer Blades Head Spool Line Compatible with Greenworks 2101602 2101602A STBA40B210 2101602 ST40B410 BST4000 String Trimmer 28+10+4+1 AC14RL3A 6+1 Fits WORX series trimmers/edgers: WG105，WG106，WG108，WG109，WG112，WG113，WG115，WG116，WG117，WG118，WG119，WG124Compatible with Greenworks models: 2101602, 2101602A, STBA40B210, 2101602, ST40B410, BST4000 string trimmers. Easy Installation: simply push this trimmer head into the string socket and it automatically locks in place with assistance from the side push buttons. 2900729 Trimmer blade head can be used to trim edges,heavy grass removal. tidy up large bushes,small wood and small shrubs. Wear eye protection and long pants when using this product to avoid