General description The 7 Packs Replacement Spool for Ryobi Inch Trimmer is designed for compatibility with Ryobi One+ AC14RL3A and multiple Ryobi cordless trimmer models, including 18V, 24V, and 40V. Made from high-quality ABS, this replacement spool is durable, ensuring fast cutting and a longer service life. The package includes 6 replacement spools and 1 trimmer cap. Technical specifications Spool diameter: φ56*25mm Straw rope length: 3.3M Straw rope diameter: φ1.65mm Material: ABS and polyamide nylon Installation Step 1: Stop the engine and brake the cover. Step 2: Put the spool back into the trimmer head. Step 3: Align the retainer with the ground on the outside of the head. Step 4: Close the trimmer cover. Unplug the tool before changing, installing, or removing accessories. Usage Use on soft weeds only. For tough and hardy weeds, use a razor blade to cut them. Other information Choking hazard: small parts should be kept away from children under 3 years old.