     }
   }
   
-  ///The size to multiply the knob by on selection. `1.7` by default.
-  @IBInspectable open var selectedKnobDiameterMultiplier: CGFloat = 1.7 {
+  ///The size to multiply the knob by on selection. `1.0` by default.
+  @IBInspectable open var selectedKnobDiameterMultiplier: CGFloat = 1.0 {
     didSet {
       lowerKnobLayer.setNeedsDisplay()
       upperKnobLayer.setNeedsLayout()

    let location = touch.location(in: self)
    
    let deltaLocation = Double(location.x - previousLocation.x)
    var deltaValue = (maximumValue - minimumValue) * deltaLocation / Double(bounds.width - knobDiameter)
    
    if abs(deltaValue) < stepValue {
      return true

    }
  }
  
  ///The thickness of the slider buttons border. `0.1` by default.
  @IBInspectable open var knobBorderThickness: CGFloat = 0.1 {
    didSet {
      lowerKnobLayer.setNeedsDisplay()
      upperKnobLayer.setNeedsDisplay()
