PNG ICO ICNS MORE
Mixed
3D
Bright
Add, plus, Minus
SteelBlue
482x482
Minus, Blue, search
Black
512x512
Arrows
Orb
Orange, Minus
LightGray
128x128
Vista Style Base Software
Circle, Minus, green
SeaGreen
256x256
The Spherical icon set
Minus
MidnightBlue
Signs & symbols
plus, Minus, Blue
RoyalBlue
Computer & hardware
Discovery
network, Computers, Minus
32x32
PNG MORE
Desktop apps
Free Applications Icons
no entry, restricted, forbidden
Red
24x24
Minus, forbid, restrict
negative sign, red minus, Minus
Iconza
round, Minus, remove
Firebrick
Flavour Extended
button, green, Minus
ForestGreen
48x48
Minus, pink, button
MediumOrchid
red, Minus, button
IndianRed
Blue, button, Minus
CornflowerBlue
button, violet, Minus
BlueViolet
Minus, Key
WhiteSmoke
Photography & graphic design
Dark Glass
Minus, other, tab
UI
Nuvola
remove, Minus
realistiK Reloaded
remove, Minus, red
DarkRed
Crystal Clear
Minus, Database, remove