hello!

I don't know really how to explain this but i will try.
How can i change the size of the tools?
meaning where you stretch move and rotate, can't even see the rotate tool because it is so big and the move and strecth tool is so big i gotta zoom alot out to get the arrows and squares so i can move n stuff. just happened all of a sudden and i it's really annoying, hope someone can help me.