lowering springs

[Ryaaan]

dont know if this is the right section but im looking at buy some lowering springs and seen these and read up that corsa d are same as grande punto? anyone used these? or will drop be too much?
http://www.ebay.co.uk/itm/280805836...AX:IT&_trksid=p3984.m1423.l2649#ht_998wt_1029

thanks ryan