Ensures perfect fitment by verifying your number prefixes before installation – this precisions spool delivers authentic equivalent without compromising or cutting efficiency Ideal for homeowners and landscaping professionals requiring practical, factory grade replacement components for their trimmers systems in residential or commercial gardening setups This pre wound replacement spool features 2mm nylon line for consistent cutting and reduced downtime during yard maintenance Crafted from impacts resistant ABS and polyamide nylon cord, the spool ensures superior durability against wear, tangling, and breakage while maintaining precise line feed compatibility with parts 4009 710 2106 / 4305 Optimize lawns edging, weed control, and hard to reach area trimming around fences, walkways, and flower beds using this OEM compatible spool designed for seamless integration with your existing trimmer head, Manufacturer: YIGZYCN