PNG ICO ICNS SVG MORE
Signs & symbols
Glyph
Outline style
open, Fullscreen, expand
Black
512x512
Arrows
Navigation Set - Arrows, Part One
Fullscreen, maximize
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UI
Windows 8 metro style
window, maximize
DarkSlateGray
Mixed
WPZOOM Developer Icon Set
maximize
PNG MORE
Windows 8 icons
26x26
gcons
maximize, full screen
32x32
Music & multimedia
Iconic
Arrows, Move, Enlarge