PNG MORE
UI
Glyph
iPhone Toolbar icons
screen, monitor
Gray
26x26
PNG ICO ICNS MORE
3D
Gnome Web Icons
screen, Fullscreen, Gnome
32x32
Gnome, Lock, system
48x48
PNG ICO MORE
Gnome, screen, 64
64x64
Pixel
Gnome icons
Computer, screen, monitor