PNG ICO ICNS MORE
Desktop apps
Smooth
Windows 7 toolbar full
search, secure, Unlock
Black
256x256
Glyph
16x16 Free Toolbar Icons
unsecured, Access, Broken
16x16
Mac OS X style
Unlock, Blue unlock
512x512
PNG MORE
Pixel
22 e107-Bubbles
cancel, Unlock, Admin
Gray
30x30
PNG ICO MORE
Ginux
Keys, Unlock
LightSlateGray
64x64
3D
Free Applications Icons
Unlocked, password, Protection
24x24
One bit
Unlock, Lock
DarkGray
48x48
KDE Crystal Diamond
Unlock
22x22