PNG ICO ICNS MORE
Computer & hardware
3D
iPhone 5S & 5C
Lock, Iphone, Apple
Black
256x256
Files & folders
Soda Red
Lock, soda, red
512x512
Gaming & gambling
Free Game Icons
privacy, locked, Restriction
64x64
Unlock, open, hack
Entrance, pent, Cell
DarkKhaki
Photography & graphic design
32x32 Free Design Icons
Lock, palette, Color
32x32
locked, Key, secure
Transparency, Lock
Business & finance
Once again
Lock
DarkSlateGray
48x48
Mixed
Iconza
Unlock, Lock
Lock, Unlock
UI
Momentum Matte icons
Lock, Add
DarkGoldenrod