Features1The electric string trimmer spool uses centrifugal force and aerodynamics to reduce resistance and achieve fast cutting. 2Save tedious manual winding time, reduce damage to the thread cutter, and will not get stuck during cutting. 3Using high?quality ABS spool and nylon thread, it is strong and durable, flexible, good toughness and long service life. 4The spool has a diameter of 0.065 inches, which fits ly with the wire hole, and the wire is 11ft long, providing a wider range of mowing. 5Easy installation and disassembly, can directly replace old or damaged parts, improve the efficiency of the lawn mower.SpecificationItem Type: Trimmer SpoolMaterial: ABS, Nylon LineWeight: Approx. 153g / 5.4ozSpool Diameter: Approx. 0.2cm / 0.065inLine Length: Approx. 3.4m / 11ftCompatible Trimmer Model: For Ryobi One + String Trimmer - 18V 24V 40VCompatible Spool Part#: For Ryobi One + #AC14RL3ACompatible Cap Part#: 522994001, 3411546-7G, AC14HCAPackage List6 x Trimmer Spool