Compatible with Bosch EasyGrassCut 23, 26, 18, 18-230, 18-260, 18-26. The replacement thread is factory wound Compatible with superior feeding. Premium portable thread provides fast cutting and longer life. High-quality ABS spool with durable nylon, flexible and long-lasting. Uses centrifugal force and aerodynamics Compatible with reducing resistance and achieving fast cutting. With the Auto Feed System replacement spool, the tedious work of manually winding spools is made easier. Warm tip: Strong centrifugal force and fast cutting during use. Wear eye protection and long pants Compatible with avoiding unnecessary injuries. Material: ABS, nylon. Color: Black. Compatible with package contents: 4 x Spool thread. Only the above Compatible with package contents, other products are not included. Note: Light images and different screens may cause the color of the product in the picture to differ slightly from the actual item. The allowed measurement unit deviation is +/- 1-3 cm.