ITS RYOBI TRIMMER - Designed for Ryobi one+ cordless trimmers. Compatible with Ryobi 18v, 24v and 40v trimmers. PREMIUM TRIMMER LINE: The 3.35 m trimmer line allows for a larger cutting surface. The durable and flexible polyamide nylon thread has a diameter of 1.65 mm. It is extremely durable for continuous work. FAST AND CLEAR SHIPPING: The replacement coil of the automatic feed system facilitates the tedious work compared to manual winding coils. It uses centrifugal force and aerodynamics to reduce resistance and achieve fast and clear cuts. PERFECT REPLACEMENT POOLS - They are the perfect replacement for original Ryobi RAC125 coils. The coil can be inserted and removed without tools. Operation is simple, damage to the device is avoided and the wire is used optimally. VALUE PACK: Package includes 6 replacement trimmer coils and 2 extra flush covers. They can be used for a long time. Excellent value for money.