Please give all sliders two 'ears', for inc and dec of minimal units (ideal for touchy devices)
An ear is a button at the far end of the slider. Pressing the ear does increment (right) or decrement (leaft ear) the value of the variable attached to the slider.
- Using a mouse only one cannot give the position value exactly (so one has to open the properties dialog).
And: A right button click on the slider my give the option to edit the value directly.