Bump Knob For Stihl Trimmers # 40047104000
Trimmer Head Bump Knob / Stihl 4004 710 4000 Pack Size:1 STIHL 4004 710 4000, STIHL 4002 710 4000 BYNORM 380-182 Stihl FS36, 40, 55, 66, 72, 76, 81, 86, 96 and 106 1.792" OD x 1" HT