Compatible Model: The replacement spool line is compatible with Bosch lawn mower EasyGrassCut 18/18-230/18-260/18-26/18V-230/18V-26/18V-260; EasyGrassCut 23/26ART 23 SL/ART 26 SL. The ideal replacement for models F016800569 and F016800385. 16ft/4.9 meters flexible spool, premium 1.6mm diameter weed killer line easily cuts through grass and weeds. Automatic Feed Spool: The automatic feed system replacement spool reduces the tediousness of manually sorting out the replacement trimmer line spool while working, it saves your time and energy. Wear-resistant Material: The replacement trimmer line spool is made of upgraded ABS spool and high-quality nylon thread, flexible and long-lasting. Efficient Cutting: The trimmer line spool allows the line to stretch and cushion when impacted by hard surfaces, utilize centrifugal force to reduce resistance and achieve fast cutting. Package Included: 4 x Replacement Trimmer Line Spool. Wear eye protection and long pants when using this product to avoid injury. Only suitable for delicate weed grass. Use blades to trim tough and strong weeds.