Compatible Trimmer Model: For Greenworks 24V grass trimmer, G24LT, G24LTK2, G24LT30M & G24LT30MK2 Spool Specification: Greenworks 24V spool. String trimmer replacement spool 4.9m long(for each), 1.65mm in diameter. Spool Cap Cover Model: 3411546A-6. Premium Material: Quality nylon cord, hard-wearing and cutting grass faster. Flexible and strong, allowing for the line to stretch and cushion on impact with hard surfaces. Excellent Workmanship: Professional CNC cutting and automatic winding is safer and more time-saving than manual winding, reduces damage to the grass trimmer and does not block when mowing. Precaution: When using this product, wear protective goggles and long underwear to avoid injury caused by overflowing the wires. Remove the plug from the socket before replacing, installing or removing accessories. Material: nylon Size: 4.9 m long, 1.65 mm diameter Trimmer Spool: Greenworks 24V grass trimmer spool Spool Cap Cover Model: 3411546A-6 Compatible with Greenworks Trimmer Models:G24LT, G24LTK2, G24LT30M & G24LT30MK2 Package Includes:Spool Line + Cap (as picture show)