Spool Cap Specification: Compatible with Greenworks spools, 16ft 0.065 inches, compatible with original spools models 29252 and cap covers models 3411546A-6. Compatible Models: Compatible with Greenworks weed eater string trimmer cap: 21332, 21222A, 21602, 21062, 21132, 21242, 21282, 21312, 21302, 21342, 21362, 21262, 2100202, 2100302, 2100702, STBA40B210, ST40B410, BST4000, ST40L00. 3411546A-6 spool cap, grass trimmer spool cap cover for Greenworks made of high quality ABS material. 3411546A-6 replacement spool cap for Greenworks protects trimmer line fixed spool, prevents weeds from getting stuck inside, and helps avoid damage to the trimmer. Easy to install, no tools required; simply remove the old cap and snap this one into place over the spool line, ready for use in seconds. Material: ABS. Color: Green. Package Contents: 2 x Cap Cover. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.