diff --git a/DrillUsageReportExporter.cs b/DrillUsageReportExporter.cs
index c380ebd..706b945 100644
--- a/DrillUsageReportExporter.cs
+++ b/DrillUsageReportExporter.cs
@@ -51,11 +51,14 @@ namespace DrillTools
 
         private static void AppendRows(StringBuilder report, IReadOnlyList<ReportRow> rows)
         {
+            // Column widths and gaps match the header/separator layout exactly.
+            // Separator sections: [0..6]=7 [9..16]=8 [20..25]=6 [37..40]=4 [52..58]=7 [61..71]=11 [74..86]=13 [89..98]=10
+            // Gaps between sections:   2sp     3sp       11sp       11sp       2sp       2sp         2sp
             foreach (var row in rows)
             {
                 report.AppendLine(string.Format(
                     CultureInfo.InvariantCulture,
-                    "{0,8}{1,10}{2,10}{3,17}{4,16}{5,14}{6,15}{7,12}",
+                    "{0,-7}  {1,-8}   {2,-6}           {3,-4}           {4,-7}  {5,-11}  {6,-13}  {7,-10}",
                     1,
                     row.ToolRef,
                     row.ToolNumber,
@@ -72,7 +75,7 @@ namespace DrillTools
             report.AppendLine("===========================================================  ===========  =============  ==========");
             report.AppendLine(string.Format(
                 CultureInfo.InvariantCulture,
-                "{0,69}{1,14}{2,15}{3,12}",
+                "{0,59}  {1,-11}  {2,-13}  {3,-10}",
                 "Totals:",
                 rows.Sum(row => row.PlatedHits),
                 rows.Sum(row => row.UnplatedHits),