Replacement spool 29252 compatible with Greenworks 24V, 40V, and 80V cordless string trimmers. Fits models 29252 and 29092, and includes 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 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. Auto feed design uses centrifugal force and aerodynamics to reduce drag and enable fast cutting. Note: Always wear eye protection and long pants when using this product to avoid injury. Unplug the tool before changing, installing, or removing accessories. This refill is intended for use on young grasses only. For thick weeds, use alternative tools such as blades. Material: ABS, nylon Color: black, blue, green Package Contents: 8 x Trimmer replacement spools 2 x Replacement spool cap covers Only the above items are included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.