[Compatibility] The replacement spool cover is compatible with all Ryobi 18-volt, 24-volt and 40-volt auto-power cordless trimmers (RY40210 and RY40201). [high quality] the ac14rl3a spool is made of high quality raw materials, the ABS spool is strong enough, the nylon wire string is flexible enough and strong enough for a long service life. [application model] ac14rl3a core AKA 0.065 ryobi One+ core, ryobi ac14rl3a core, replacement ryobi core, ryabi fine-tuning core, ryobi fine-tuning core 24V, ryobi 40v fine-tuning coil wire, ryobi 40v wirefine tuning coil, ryobi 40v fine tuning coil wire, ryobi p2003, p2006a wire, ryobi 18V fine tuning core, 18V ryobi replacement, ryobi one replacement core. [0065 inch / 11 feet] This reel kit contains 8 0065 inch diameter cordless trimmers and a cover.The 0065 inch spool valve has an overall length of 11 feet. [fast weeding] ac14rl3a trimmer, flexible to use and long service life.Use centrifugal force and aerodynamics to reduce drag and achieve a fast cut.