What is the most common spacer size people use on mk4's Thanks

Hi all, Been looking to sort my cars stance a bit and have discovered lots of info on spacers, albeit dotted about in different places! I'm hoping this thread might be a one-stop-shop for all of peoples queries and for people to share their knowledge/experiences! So wheel spacers - various...

There are two lots of VW Golf H&R spacers on Ebay which will fit Mk4: Item number: 230823651156 http://www.ebay.co.uk/itm/230823651156?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1586.l2649#ht_566wt_1139 And Item number: 230823656611...