Just done the same job but bought:
http://www.amazon.co.uk/dp/B0090S7W2C/ref=pe_385721_37038051_pe_217191_31005151_3p_M3T1_dp_1
About £4 cheaper than the e-bay alternatives and shipped from the UK so came nice and quick. They look identical to the ones in the OP and only time will tell how well they last but they do look a whole lot better!