• Relentless Gladiator's Plate Shoulders
• Item Level 251Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Shoulder
• 1894 Armor
• +99 Strength
  +160 Stamina
• Yellow Socket
• Socket Bonus: +4 Critical Strike Rating
• Durability 100 / 100
• Classes: Warrior
• Requires Level 80
• Requires personal and team arena rating of 2000
• Equip: Improves critical strike rating by 63.
  Equip: Improves your resilience rating by 71.
• 
• Relentless Gladiator's Battlegear (5 pieces)
• [Relentless Gladiator's Plate Chestpiece]
  [Relentless Gladiator's Plate Gauntlets]
  [Relentless Gladiator's Plate Helm]
  [Relentless Gladiator's Plate Legguards]
  [Relentless Gladiator's Plate Shoulders]
• (2) Set: +100 Resilience Rating.
  (2) Set: Increases attack power by 50
  (4) Set: Reduces the cooldown of your Intercept ability by 5 sec.
  (4) Set: Increases attack power by 150

Source

This item is sold by the following vendors for 10,550 600 :

•  Big Zokk Torquewrench <Arena Vendor> in Netherstorm
•  Evee Copperspring <Arena Vendor> in Gadgetzan
•  Nargle Lashcord <Arena Vendor> in Dalaran

This item is also sold by the following vendors for 60 :

•  Arcanist Uovril <Emblem of Frost Quartermaster> in Alliance
•  Magister Arlan <Emblem of Frost Quartermaster> in Dalaran
•  Goodman the "Closer" <Emblem of Frost Quartermaster> in Icecrown Citadel

Patch changes

• Patch 3.2.0 (04-Aug-2009): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB