PNG ICO ICNS MORE
Free icons for Windows8/Metro
octagon
DarkSlateGray
512x512
Fugue
frame, cross, octagon
16x16
frame, octagon, subtract
frame, right, correct
octagon, frame, Add
Social media
Flat
Flat Octagon
octagon, Tumbler
256x256
Mixed
3D
Momentum Glossy icons
32x32
UI
Pixel
Fugue Icons
frame, octagon, plus
octagon, tick, frame
octagon, Minus, frame
cross, octagon, frame
cross, frame, octagon