• Compatible with a wide range of lawn trimmers: Einhell GLR 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, GLR 450/1 to 450/9, Top Craft TCR 50, 450, 451, 500, RTV 400, 550, 550/1, CG-ET 4530, King Craft KCR 450, 451, 500, 500 GB • Replacement spool that reduces manual winding effort and increases efficiency in gardening work • Made of durable and flexible nylon, with a high-quality ABS housing for greater durability • Allows you to cut grass and weeds quickly and effectively • Aerodynamic design that reduces air resistance and improves cutting performance • The spool absorbs impacts against hard surfaces and does not break easily • Product number: 3405685 • The package includes 2 replacement spools • Specifications: each spool has a line length of 10 meters and a diameter of 1.6 mm