Rear Wiper Arm Change/Upgrade

[dasan]

I've got a squeaky rear wiper so instead of just replacing it, I was considering upgrading it.

Are these any good?
VW Golf Touran Polo Rear Window Windshield Windscreen Wiper Arm Blade Kit W29

http://www.ebay.co.uk/itm/221038479342?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_3937wt_1061

And, is there any guides available to refer to? Thanks.

[AD1.8T]

Look in the classifieds bud