PNG ICO ICNS MORE
UI
Pixel
Gnome icons
fontwork, Text, Flow
Black
16x16
PNG MORE
BWPX
Control, reverse
Gray
18x18
order, reverse, stock
24x24
Computer & hardware
ASP.NET icons
16x16, reverse
SlateBlue
Arrows
32px mania
buttons, Left, rewind
32x32