Replacement spool 29252 compatible with Greenworks 24V, 40V, and 80V cordless string trimmers. This spool fits models 29252 and 29092, and replacement cap covers model 3411546A-6. 065 single line auto feed spool compatible with Greenworks string trimmer, edger, and weed eater models: 21332, 21222A, 21602, 21062, 21132, 21242, 21282, 21312, 21302, 21342, 21262, 2100202, 2100302, 2100702, STBA40B210, ST40B410, BST4000, ST40L00. This replacement spool includes 16ft of 0.065 inch weedeater line designed for electric string trimmers. Made with high-quality ABS spool and durable nylon trimmer line, it is sturdy and strong for extended use. Suitable for grass trimming and edging tasks. Compatible with Greenworks single line 24V and G-MAX 40V string trimmers. The auto feed design uses centrifugal force and aerodynamics to reduce drag and enhance cutting performance. Safety note: Always wear eye protection and long pants when operating the trimmer. Disconnect power before installing, removing, or changing accessories. This replacement spool is intended for light-duty use on young grass. For thick or tough weeds, use appropriate cutting tools such as blades. Material: ABS, nylon Color: Black, blue, green Package contents: 8 x Trimmer replacement spools 2 x Replacement spool cap covers Note: Product color may vary slightly due to lighting and screen display differences. Measurement tolerances may vary by +/- 1-3cm.