詳細規格及用途描述

B-814
Bump Head Knob
Fits IDC models 395,580-780
Ryobi # 180814
Ryobi # 147496
Fits most B&S engines except 16 HP cast iron engines
Hits : 272

B-812
Bump Knob and spring assembly
Ryobi # 181468
Hits : 233

B-153
Bump Head Knob
Ryobi # 153066B
Lawn Boy # 682069
Snopper # 4-2076
Use in all IDC.Ryobi and Ryan trimmers exceptmodels
395, 580, 580-1 and 780R
Hits : 233