Just made this twitter, Yes it's pretty long, But it's the new melee weapon in Black Ops 2 Zombies. It's basically a Brass Knuckle.
GamePlay: http://www.youtube.com/watch?v=sdIESXJFjcw
(Skip to 0:45)
GamePlay: http://www.youtube.com/watch?v=sdIESXJFjcw
(Skip to 0:45)