Hastelloy name comes from Exotic Metal. That's what this theme is based on.

HastelloyHD is fully iOS 4, and iOS 5 compatible.

It has fully themed UIImages, Custom Icon Auto Icon, Weather Wallpaper Widget, Lock Screen Clock Widget, and much more. It's themed all the way through. It also features the notification banner, AUTO ICON MAKER, and more.

Instructions included inside. Expect updates and lots of new features. Enjoy.