System Shutdown Icon - PNG Format.

256 x 256
System shutdown icon 256x256Download
128 x 128
System shutdown icon 128x128Download
64 x 64
System shutdown icon 64x64Download
48 x 48
System shutdown icon 48x48Download

32 x 32
System shutdown icon 32x32Download
16 x 16
System shutdown icon 16x16Download

More icons from the Applications icon set: