Europa seat runners

[jps]

Anyone got experience of using these?
https://www.europaspares.com/product/269/20087/SEATS/UNIVERSAL_SEAT_RUNNERS/Universal_Seat_Frame_Runners_Single_Locking_Comple te_With_Fitting_Kit___RUN005K.html

And are they worth it? Kitspares do something that looks similar but half the price...

http://www.kitspares.co.uk/shop/item.php?cat=12&product=4902&catsub=8

[baz-r]

i have kitspares runners you only get the runners on thair own, will bolt directly to L7 style seats