Husqvarna T45X Trimmer Head OEM #596297901
T45X Professional Tap Advance trimmer head features a reinforced, ball bearing tap advance button. • Easy reload spool that comes off with the cap, eliminating the need to turn the trimmer upside down. Fits the following Husqvarna models: 240R, 250R, 250Rx, 335LS, 335Rx 335FR, 343R, 343FR, 345Fx, 345Rx, 345FR, 355Fx, 545FX, and 555FX