Do it Best PivoTrim Replacement Trimmer Head
Features new pivot design that prevents line breakage. Easy-to-install; no special tools needed. Easily loads up to 8 precut pieces of line; no special line needed. Fits 99% of all curved and straight shaft gas trimmers including Ariens, Bolens, Echo, Husgvarna, John Deere, MTD, Poulan , Ryobi, Snapper, Solo, Stihl, Toro , Troybilt, and Weedeater.