4.5 If i could i would give these 0 stars benbulluk | 19/03/2014 | See all benbulluk's reviews (1) Break after 1 use (stop spinning), did previously buy some which lasted ages but seems to be hit or miss with the quality. Went through 6 of these in just over 2 weeks. I begrudge having to pay 15 quid for 4 official ones, but after these, i think i might be better off paying it. Do not buy!!!