Arms warrior is a utility spec, it brings [Trauma], increasing bleed damage by 30% and [Blood frenzy] increasing physical damage done by all targets by 4%. The overall damage it can increase will depend on the composition of the raid, however, for 10 man the raw difference between Fury and Arms will make arms lacking. The DPS difference between Fury and Arms are considerable, because of that it is seen mostly has a PVP spec.

Talents for Arms Warrior Wotlk

Glyphs

Major

Glyph of Bladestorm

Glyph of Mortal Strike

Glyph of Heroic Strike

Minor

Glyph of Bloodrage

Glyph of Battle

Glyph of Enduring Victory