Originally Posted by Eddie Cairns
In around 20 to 30 seconds they can get the bolt head red hot


Ah, didn't realise they worked that quickly. In which case for a working mechanic where time is money, these might be an attractive option. For rank amateurs like myself, the 'soak it in PlusGas for a day or two then get the long bar out' approach works for me.

Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE