step

step - Specifies the delta with which the slider element value changes when user clicks on the buttons, drags the bar or uses arrow keys to change slider value. The step default value is 1.

<input id="slider" value="30" />

<script type="text/javascript">

     $(function () {
        $("#slider").shieldSlider({
           min: 10,
           max: 100,
           step: 10
        });
     });

</script>