Autocut Bump Feed Strimmer Head 40-4 Fits Stihl Replaces 4003-710-2189

Compatible with Stihl models below Stihl - 4003-710-2189. Bolt: M14 x 1.5 Thread. - FS450 CHECK BOLT . - FS460 CHECK BOLT . Superceded by 56-2 Twin line head.

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