carparts-direct.co.uk sell them; cost is about £113 and it has a 2 year guarentee; picked one up for mine (for anyone who has tried to get one for a gti will know it can be irritating as gti's have a 1mm bigger driveshaft). Just thought I would let people know
MOD EDIT
DO NOT USE THESE. THEY WILL STRIP YOUR DRIVESHAFT SPLINES
MOD EDIT
DO NOT USE THESE. THEY WILL STRIP YOUR DRIVESHAFT SPLINES