PNG ICO ICNS MORE
Base Software
height, ruler, measure
Black
256x256
Cats 2
ruler, Blue
LightSteelBlue
128x128
ruler, lightbrown
Tan
PNG ICO SVG MORE
Network & communications
Outline
connectivity
tool, pencil, ruler
512x512
Business & finance
TheFreeForty
ruler, measure, scale
Education & science
Miscellaneous
precision, measure, ruler
PNG SVG MORE
Tools & construction
Filled outline
Tools
tools, ruler, Measurement
329x512
PNG ICO ICNS SVG MORE
Flat
CMYK: Product development
technical, project, Design
Photography & graphic design
Outline icons
ruler
Signs & symbols
Circle Icons
ruler, triangle, Angle
IndianRed
PNG MORE
Mixed
Office Vol.3
ruler, Drawing, pencil
DimGray
Office Vol.4
Develop, Build, Pen
RosyBrown
pencil, Sharpener, stationary
Orbicons (Free)
ruler, measure, pencil
YellowGreen
UI
Glyph
Blogger
DarkSlateGray
48x49
Smooth
Vibrant
Goldenrod
48x48
Office icon set
ruler, Design
tools, Control, measure
Windows 8 metro style
Freecns Cumulus
PNG ICO MORE
Handdrawn
Brainy Icons Free — 36 Science and Education Icons
pencil, illustrator, ruler
64x64
Flat services icons
ruler, Pen, Design
3D
32x32 Free Design Icons
cube, measure, ruler
Green
32x32
Pretty Office 10
tools, Compasser, ruler