these say compatiable with a number of different brands including hitec, any good?

http://cgi.ebay.co.uk/NEW-1-Pair-Quality-40-Crystals-50-Suit-Hitec-Futaba-UK_W0QQitemZ250154372124QQihZ015QQcategoryZ140972Q QssPageNameZWDVWQQrdZ1QQcmdZViewItemhttp://cgi.ebay.co.uk/NEW-1-Pair-Qua...-Futaba-UK_W0Q QitemZ250154372124QQihZ015QQcategoryZ140972QQssPag eNameZWDVWQQrdZ1QQcmdZViewItem

alex