ESSENTIAL MOWING TOOL: The cutting reel line is flexible and strong, can stretch and cushion effectively when impacted with hard surface. The aerodynamic shape allows less drag for more efficient, convenient and fast cuts. PREMIUM MATERIAL: The clipper line is made of high quality nylon, strong and flexible, not easy to break. The trimmer replacement spool is made of ABS material, which is sturdy and durable. SAVE WORKING TIME: Easy to use and install. These replacement lines are easy to install and flexible to use, which can use centrifugal and aerodynamic force to ease the tedious work of hand-wound spools, allowing you to work more efficiently. WIDE APPLICATION: The cutting line is compatible with most cutting models, compatible models for ART 23SL 26SL PRECAUTIONS FOR USE: Strong centrifugal force and fast cutting during use, it is recommended to wear protective glasses and long pants to avoid unnecessary injury. And this cordless weeding parts refill is only suitable for soft weeds. It will be recommended to use blades to cut strong weeds. Quantity delivered: 3 pieces Note: The data is manual measurement, please allow 1-3cm error, due to differences between light and screen, there will be a certain difference in color, the specific received in kind shall prevail.