Zinfizzlex's Portable Shredder Unit

Zinfizzlex's Portable Shredder Unit summons Stormpike Shredder Unit or  Frostwolf Shredder Unit depending on your faction.

Source
This was a quest-reward from the quest Zinfizzlex's Portable Shredder Unit (quest). This item has a 45-minute cooldown and only lasts for 3 days. (3 days/played time.)