Genuine Stihl 1128 432 2200 / 11284322200 hexagon nut for the handle heating system fitted to a range of compatible Stihl petrol chainsaws. This genuine replacement fixing is used within the heated-handle assembly, securing associated components including the heating system switch assembly. Suitable for replacing a lost, damaged or worn original nut and manufactured to Stihl specifications for the correct fit on compatible machines.