461 Unique and 52.554 icons fully editable vector (ai, xaml, design, swf, fh11) formats and many raster (ico, psd, png, bmp, gif, jpg, icns) formats.
Designed for Industrial development, technology and society. Icons can use many different kinds of industries softwares, web sites..
Next-generation Icons for web and Windows.
Developers and designers with a unified programming model for building rich Windows smart client user experiences that incorporate user interface, media, web and documents.

Graphics Vector formats included
Adobe Illustrator (.ai), Microsoft Design (.design) Xaml (.xaml), Adobe Flash (.swf) Adobe Freehand (.fh11)

Graphics Raster formats ( Normal, Hot, Disabled States)included
Icon (.ico), Adobe Photoshop Layered(.psd) Portable Network Graphics (.png), Bitmap (.bmp), Mac Icon (.icns), Jpeg (.jpg), Graphics Interchange Format (.gif)

Sizes included
16x16, 24x24, 32x32, 48x48, 64x64, 72x72, 128x128, 256x256, MultiSize:16x24x32, MultiSize:16x24x32x48

Ico:16x16, 24x24, 32x32, 48x48, 256x256(Vista) 16x24x32, 16x24x32x48
Psd:257x257
Png:16x16, 24x24, 32x32, 48x48, 64x64, 72x72, 96x96, 128x128
Bmp:16x16, 24x24, 32x32, 48x48
icns:16x24x32x48
Jpg:16x16, 24x24, 32x32, 48x48, 64x64, 72x72, 96x96, 128x128
Gif:16x16, 24x24, 32x32, 48x48, 64x64, 72x72, 96x96, 128x128

Total File Unit
52.554