BIG Changes coming in live for Classic TBC! Enchanting, summons and engi goggles! - YouTube
Master Engineer's Goggles - Item - TBC Classic
Deathblow X11 Goggles - Item - TBC Classic
Deathblow X11 Goggles - Item - World of Warcraft
2.4.3 Engineering contains a T6 level epic head that was orgininal added with black temple as a catch up item. Here is a picture that compare T4 Hunter head with the mail