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Desktop apps
3D
Demo Professional Toolbar Icons
word, parole, Door
Black
64x64
Smooth
Farm-fresh
password, Change
32x32
Glyph
16x16 Free Toolbar Icons
password, Close, secrecy
16x16
Mac OS X style
Access, password, car keys
512x512
PNG MORE
Free Applications Icons
Lock, clef, private
24x24
Log in, private, password
Key, private, login
Protection, secured, private
Unlocked, password, Protection
Key, password, Lock
OliveDrab
48x48
Pixel
Diagona Icons
locked, password, Key
DarkGoldenrod
security, password, Lock
DarkGray