How to Change the Size of the Eraser Tool in Photoshop — 30SecondTutorials
How to Change the Size of the Eraser Tool in Photoshop.
In the brush presets drop down menu, use the “Size” fader/scrubber to change the size of the eraser tool.
An easier way to do this is to use the bracket keys. [ makes the tool decrease in size and the ] key makes the tool increase in size. This is helpful because it allows you to see the tool as it is being modified.