diff --git a/src/main/java/de/neemann/digital/draw/graphics/Style.java b/src/main/java/de/neemann/digital/draw/graphics/Style.java
index c21f7bb4e..8a4e8b16d 100644
--- a/src/main/java/de/neemann/digital/draw/graphics/Style.java
+++ b/src/main/java/de/neemann/digital/draw/graphics/Style.java
@@ -8,56 +8,61 @@ import java.awt.*;
  * @author hneemann
  */
 public class Style {
+    private static final int WIRETHICK = 4;
+    private static final int LINETHICK = 4;
+    private static final int LINETHIN = 2;
+    private static final int LINEDASH = 1;
+
     /**
      * used for all lines to draw the shapes itself
      */
-    public static final Style NORMAL = new Style(4, false, Color.BLACK);
+    public static final Style NORMAL = new Style(LINETHICK, false, Color.BLACK);
     /**
      * Used for text which is integral part of the shape.
      * Text which uses this style is always included in sizing!
      * Used for text only elements.
      */
-    public static final Style NORMAL_TEXT = new Style(4, false, Color.BLACK);
+    public static final Style NORMAL_TEXT = new Style(LINETHICK, false, Color.BLACK);
     /**
      * thin line used for the graphic in the clock or delay shape
      */
-    public static final Style THIN = new Style(2, false, Color.BLACK);
+    public static final Style THIN = new Style(LINETHIN, false, Color.BLACK);
     /**
      * Used for wires in editing mode
      */
-    public static final Style WIRE = new Style(4, true, Color.BLUE.darker());
+    public static final Style WIRE = new Style(WIRETHICK, true, Color.BLUE.darker());
     /**
      * Used for low wires in running mode
      */
-    public static final Style WIRE_LOW = new Style(4, true, new Color(0, 112, 0));
+    public static final Style WIRE_LOW = new Style(WIRETHICK, true, new Color(0, 112, 0));
     /**
      * Used for high wires in running mode
      */
-    public static final Style WIRE_HIGH = new Style(4, true, new Color(102, 255, 102));
+    public static final Style WIRE_HIGH = new Style(WIRETHICK, true, new Color(102, 255, 102));
     /**
      * Used for wires in high Z state
      */
-    public static final Style WIRE_HIGHZ = new Style(4, true, Color.GRAY);
+    public static final Style WIRE_HIGHZ = new Style(WIRETHICK, true, Color.GRAY);
     /**
      * used to draw the output dots
      */
-    public static final Style WIRE_OUT = new Style(4, true, Color.RED.darker());
+    public static final Style WIRE_OUT = new Style(LINETHICK, true, Color.RED.darker());
     /**
      * filld style used to fill the splitter or the dark LEDs
      */
-    public static final Style FILLED = new Style(4, true, Color.BLACK);
+    public static final Style FILLED = new Style(LINETHICK, true, Color.BLACK);
     /**
      * Used to draw the grid in the graph
      */
-    public static final Style DASH = new Style(1, false, Color.BLACK, new float[]{4, 4});
+    public static final Style DASH = new Style(LINEDASH, false, Color.BLACK, new float[]{4, 4});
     /**
-     * Used todraw the pin description text
+     * Used to draw the pin description text
      */
-    public static final Style SHAPE_PIN = new Style(4, false, Color.GRAY, 18, null);
+    public static final Style SHAPE_PIN = new Style(LINETHICK, false, Color.GRAY, 18, null);
     /**
      * highlight color used for the circles to mark an element
      */
-    public static final Style HIGHLIGHT = new Style(4, false, Color.CYAN);
+    public static final Style HIGHLIGHT = new Style(WIRETHICK, false, Color.CYAN);
 
     private final int thickness;
     private final boolean filled;