Taskbar

What is the size of the Taskbar ? I mean How many Pixels ? and Height ?
I use small Taskbar buttons.
Is there anyway I can make it more smaller ?

Thank you!

Here you go: How to resize the entiire taskbar - Microsoft Community
and the Normal icons are 56 pixels (It think is is pixels) and small is 40.

See also: Taskbar - Resize - Windows 7 Help Forums