if you're using the dremel
see if you can cut a slot in the head first.i would think a screwdriver would get in there easier than needle nose pliers.make the slot tight.you could even use a ratchet with the proper slot extension.can you put some fluid to loosen it up prior?
'95 s500 (bought for wife but can't bear to share!!!) 125kms
'92 legend 180kms
'88 tbirdturbo(fantastic car-only regular maint.)120kms
'87 mustang gt(gone)
'85 mustang gt(gone-but not forgotten)