Scale of Fates

Source
This item can be found inside Cache of Storms after defeating Thorim in the 25-man version of Ulduar.

Effective Haste
Assuming this item is activated every cooldown, it provides an average of: 432 * 20 / 120 = 432 * 1 / 6 = 432 / 6 = 72 Haste Rating At Level 80, 32.79 Haste Rating = 1% Haste, meaning this gives; 72 / 32.79 = 2.20 %Haste