Replacement Spool 29252 for Greenworks 24V, 40V, 80V Cordless String Trimmer. Compatible with models 29252, 29092, and cap cover 3411546A-6. 065 inch single line auto feed spool fits Greenworks string trimmer/edger models: 21332, 21222A, 21602, 21062, 21132, 21242, 21282, 21312, 21302, 21342, 21262, 2100202, 2100302, 2100702, STBA40B210, ST40B410, BST4000, ST40L00. Refills 16ft of 0.065 inch weedeater line for electric string trimmers. High-quality ABS spool and durable nylon trimming line, suitable for grass and edging tasks. Designed for long working life. Compatible with Greenworks single line 24V and G-MAX 40V string trimmers. Auto feed mechanism uses centrifugal force and aerodynamics for efficient cutting. Always wear eye protection and long pants when operating. Disconnect power before installing or removing accessories. This replacement spool is intended for light-duty use on young grass. For thick weeds, use appropriate cutting tools such as blades. Material: ABS, nylon. Color: black + blue + green. Package includes: 8 x Trimmer replacement spools, 2 x Replacement spool cap covers. Only items listed are included. Due to lighting and display differences, actual color may vary slightly from image. Measurement may vary by +/- 1-3cm.