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Bump knob green
Genuine OEM Part - Manufacturer #530455002
Trimmer head bumb knob kit
Aftermarket (Non-OEM) Part - Manufacturer #385-451
Trimmer head bumb knob
Aftermarket (Non-OEM) Part - Manufacturer #385-649
Bump knob. Fits Stihl# 40047104000.
Aftermarket (Non-OEM) Part - Manufacturer #385-876
Knob assembly-small bump
Genuine OEM Part - Manufacturer #153066