It sounds like it will do the same job as this:
It's not called fleabay for nothing!
but as the guy in this listing says, 'it's the same thing just with an extra £10 slapped on the price tag all for 'a box with 2 wire's sticking out of it.'
I know someone who baught one for his saxo, it arrived, he showed me it, and i went to Maplins and bought one for around 30p same resistance too (the coloured bands round the resister matched). He was :tsktsk: to say the least. But lesson learnt, he doesnt buy off there any more.