Grip-Tite 00103 7-Piece Metric Super Socket Set
Your socket set can't do this!  In those hard-to-reach places, Grip-Tite Super Sockets hold bolts and nuts straight and true, so you can install or remove them easily, without losing them (not magnetic).  Grip-Tite Super Sockets remove extremely damaged and rounded bolts and nuts.  7 Grip-Tite Metric standard length Super Sockets.