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. Fits models 29252 and 29092 for Greenworks. 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. Each spool refills 16 feet of 0.065 inch weedeater line for electric string trimmers. High-quality ABS spool with durable nylon string trimmer line. Suitable for grass trimming and edging. Strong and sturdy for extended use. Designed for 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 light-duty use on young grasses. For thick or tough 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 Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.