Trimmer Head KNOB:(Left Hand thread) KNOB LH #30113applications with left hand tread Arbor( turn left to tighten). Most all arbors are left hand thread.Fits: ECHO, SHINDAIWA, STIHL, KAWASAKI, GREEN MACHINE, MARUYAMA, RED MAX, ROBYN, HOMELITE, TMC,HUSQVARNAand more ( just use your current LH arbor) High QualityCommercial / Industrial.Fits manual feed:Brush-Cutter, String Trimmer, Weed-Whip, Weedo Head applications. Tough and Durable, Gets the job done no matter how difficult.
