Toolbar button size

Toolbar button size[text only] - just wondering if there are any controls about spacing in toolbars ? I have some toolbars in a column layout and need to fit more compact... I can do this by making the font size smaller, but is it possible to control the height of the buttons anywhere or the margins/spacing... thanks.

Under Preferences / Toolbars there's a padding setting which can make things tighter.

Thanks Leo, I have that at 1 already... no problem, need to make folders so I can have sub menus. Thanks Alan.