Dreadnaught Gauntlets

The Dreadnaught Gauntlets are the Tier 3 plate hand armor for warriors and gives bonuses to strength, stamina, block, and overall defense. It is available through quest items in Naxxramas.

Source
The Dreadnaught Gauntlets are a quest reward from the quest Dreadnaught Gauntlets (quest) which starts with Korfax in Light's Hope Chapel in Eastern Plaguelands. To complete the quest, you must turn the following items to Korfax:
 * 1
 * 8
 * 1
 * 5