Amazon.com : Vypart 0.065" String Trimmer Replacement fit for Ryobi AC14RL3A with 522994001 Weed Eater Spool Cap Cover fit for Ryobi One 18V, 24V, 40V Cordless Trimmers(6 Spool + 2 Cap) :
RYOBI ONE+ 18V Brushless 15 in. Cordless Attachment Capable String Trimmer with 4.0 Ah Battery and Charger P20110 - The Home Depot
RYOBI ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger with 4.0 Ah Battery and Charger P2080 - The Home Depot
18V ONE+ STRING TRIMMER Kit - RYOBI Tools
Amazon.com : Fyange 11ft .08'' String Trimmer Replacement Spool for Ryobi One Plus+ AC80RL3 18V 24V 40V, with String Trimmer AC14HCA Cap Covers 11ft 0.08” Cordless Auto-Feed Twist Single Line (10 Spool,
RYOBI ONE+ HP 18V Brushless 13 in. Cordless Battery String Trimmer with 4.0 Ah Battery and Charger P20120 - The Home Depot
Amazon.com : 12 Pack 11ft 0.080" Replacement Trimmer Spool for Ryobi One Plus+ AC80RL3 18V 24V and 40V Cordless Trimmers Line Refills Weed Wacker Auto-Feed Twist Single Line Parts (12 Spool+2 Cap) :
RYOBI: 18V ONE+ Line Trimmer Assembly & Use - YouTube