Used on Homelite and Ryobi trimmer Models:
UT20677B, UT32601, UT20004A, UT20817, UT15522E, UT20661, UT20742, UT20743, UT20783, UT20691R, UT20822, UT20813, UT20747, UT20750, UT20781, UT20820, UT20930, UT70121, UT70123A, UT70127A, UT70129A, UT70131A, UT20044A
RY34442, RY28021, RY28041