String Trimmer Spool Line for Greenworks 24V, 40V, 80V (8 Spools, 2 Caps) Replacement spool 29252 compatible with Greenworks 24V, 40V, and 80V cordless string trimmers. Replaces models 29252 and 29092. Includes replacement cap covers, model 3411546A-6.065. Single line auto feed spool fits 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. Each spool refills with 16 ft of 0.065 inch weedeater line for electric string trimmers. High-quality ABS spool and durable nylon string trimmer line. Suitable for grass trimmer and edger use. Strong and sturdy design for extended working life. Compatible with Greenworks single line 24V and G-MAX 40V string trimmers. Auto feed mechanism 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 cordless weed eater spool is intended for use on young grasses only. For thick or strong 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 items listed are included; other products are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.