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. Designed for 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. Single line auto feed spool refills with 16 ft of 0.065 inch weedeater line for electric string trimmers. Made with high-quality ABS spool and durable nylon trimmer line, designed for long-lasting performance. Compatible with Greenworks single line 24V and G-MAX 40V string trimmers. Utilizes centrifugal force and aerodynamics for smooth, fast cutting. Note: Always wear eye protection and long pants when using this product. Unplug the tool before changing, installing, or removing accessories. This replacement spool is intended for use on young grass only. For thick weeds, use a blade or other appropriate tool. Material: ABS, nylon Color: Black, blue, green Package Contents: 8 x Trimmer replacement spools, 2 x Replacement spool cap covers Only the listed items are included. Note: Lighting and monitor settings may cause slight color variations. Measurement may vary by +/- 1-3 cm. Shipping: Items ship within 3 business days after payment. Delivery typically takes 8-12 days, depending on location. For any questions, please contact us. We respond within 24 hours. Thank you for your purchase.