What you will get: Package includes 10 strands of trimmer line and 2 trimmer caps, 12 pieces in total, enough to meet your daily needs and for replacement Size Detail: Each roll of trimmer spare spool line measures approx. 11 feet 3.4 m in length and 0.065 inch 1.65 mm in diameter; The cup cap measures approximately 3 inch 7.5cm in diameter, 1.3 inch 3.3cm in height; Compatible with Ryobi AC14RL3A Compatibility: Compatible with Ryobi 18V, 24V and 40V cordless lawn mowers, including 18V of OLT1825, OLT1825M, OLT1830H, OLT1831, OLT1831H, OLT1831S, OLT1832, P2000, P2001, P20042 RLT1, P3, RLT1825M1 3, RLT1830H13, RLT1830H15, RLT1830H25, RLT1830Li, RLT183113, RLT183115, RLT183125, RLT1831H31, RLT58131, RLT58131, RLT581818 LT32 24V from RY20RY24000, RY24200; E 40V of RY40001, RY40021, RY40200, RY40201, RY40210, RY40210A Quality material: the spools and cutting caps are made of plastic, and the wire is made of strong polyamide nylon, durable and reliable to apply, flexible and durable; This kind of material can reduce resistance and achieve fast cutting Save time and effort: grass feeder line spool is easy to use and install, automatic feed system replacement spool facilitates tedious manual work. wound coils; The range of grass eating reels use centrifugal force and aerodynamics to reduce drag and achieve fast cutting, saving you time and energy