diff --git a/src/Interface/ProgressBar.cs b/src/Interface/ProgressBar.cs
index f703c65..7217d4e 100644
--- a/src/Interface/ProgressBar.cs
+++ b/src/Interface/ProgressBar.cs
@@ -1,6 +1,6 @@
 namespace RhSolutions.Interface
 {
-    internal class ProgressBar : AbstractBar
+    internal class ProgressBar : StatusbarBase
     {
         private double CurrentProgress { get; set; }
         private readonly double TaskWeight;
diff --git a/src/Interface/ResultBar.cs b/src/Interface/ResultBar.cs
index f085e3d..3652738 100644
--- a/src/Interface/ResultBar.cs
+++ b/src/Interface/ResultBar.cs
@@ -3,7 +3,7 @@ using System.Text;
 
 namespace RhSolutions.Interface
 {
-    internal class ResultBar : AbstractBar
+    internal class ResultBar : StatusbarBase
     {
         private int Success { get; set; }
         private int Replaced { get; set; }
diff --git a/src/Interface/RibbonController.cs b/src/Interface/RibbonController.cs
index ef45cb0..6bbba3e 100644
--- a/src/Interface/RibbonController.cs
+++ b/src/Interface/RibbonController.cs
@@ -64,7 +64,7 @@ namespace RhSolutions.Interface
         {
             try
             {
-                AbstractTool tool;
+                ToolBase tool;
                 switch (control.Id)
                 {
                     case "export":
diff --git a/src/Interface/AbstractBar.cs b/src/Interface/StatusbarBase.cs
similarity index 89%
rename from src/Interface/AbstractBar.cs
rename to src/Interface/StatusbarBase.cs
index 12327e5..f1af972 100644
--- a/src/Interface/AbstractBar.cs
+++ b/src/Interface/StatusbarBase.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace RhSolutions.Interface
 {
-    internal abstract class AbstractBar : IDisposable
+    internal abstract class StatusbarBase : IDisposable
     {
         protected Application Excel = AddIn.Excel;
 
diff --git a/src/PriceListTools/CombineTool.cs b/src/PriceListTools/CombineTool.cs
index 6959ac2..e0429bd 100644
--- a/src/PriceListTools/CombineTool.cs
+++ b/src/PriceListTools/CombineTool.cs
@@ -7,7 +7,7 @@ using Dialog = RhSolutions.Interface.Dialog;
 
 namespace RhSolutions.PriceListTools
 {
-    internal class CombineTool : AbstractTool
+    internal class CombineTool : ToolBase
     {
         private List<SourcePriceList> SourceFiles { get; set; }
 
diff --git a/src/PriceListTools/ConvertTool.cs b/src/PriceListTools/ConvertTool.cs
index 57895b3..788d6ff 100644
--- a/src/PriceListTools/ConvertTool.cs
+++ b/src/PriceListTools/ConvertTool.cs
@@ -2,7 +2,7 @@
 
 namespace RhSolutions.PriceListTools
 {
-    internal class ConvertTool : AbstractTool
+    internal class ConvertTool : ToolBase
     {
         private SourcePriceList Current { get; set; }
 
diff --git a/src/PriceListTools/ExportTool.cs b/src/PriceListTools/ExportTool.cs
index 4956faf..add072d 100644
--- a/src/PriceListTools/ExportTool.cs
+++ b/src/PriceListTools/ExportTool.cs
@@ -5,7 +5,7 @@ using RhSolutions.Interface;
 
 namespace RhSolutions.PriceListTools
 {
-    internal class ExportTool : AbstractTool
+    internal class ExportTool : ToolBase
     {
         private Dictionary<Product, double> PositionAmount;
         private readonly Range Selection;
diff --git a/src/PriceListTools/MergeTool.cs b/src/PriceListTools/MergeTool.cs
index b9673e7..3a945dd 100644
--- a/src/PriceListTools/MergeTool.cs
+++ b/src/PriceListTools/MergeTool.cs
@@ -5,7 +5,7 @@ using System.Linq;
 
 namespace RhSolutions.PriceListTools
 {
-    internal class MergeTool : AbstractTool
+    internal class MergeTool : ToolBase
     {
         private List<SourcePriceList> SourceFiles { get; set; }
 
diff --git a/src/PriceListTools/AbstractPriceList.cs b/src/PriceListTools/PriceListBase.cs
similarity index 90%
rename from src/PriceListTools/AbstractPriceList.cs
rename to src/PriceListTools/PriceListBase.cs
index 2274a7f..805cd04 100644
--- a/src/PriceListTools/AbstractPriceList.cs
+++ b/src/PriceListTools/PriceListBase.cs
@@ -2,7 +2,7 @@
 
 namespace RhSolutions.PriceListTools
 {
-    internal abstract class AbstractPriceList
+    internal abstract class PriceListBase
     {
         public Range AmountCell { get; protected set; }
         public Range SkuCell { get; protected set; }
diff --git a/src/PriceListTools/SourcePriceList.cs b/src/PriceListTools/SourcePriceList.cs
index 7c0001e..4e43d7a 100644
--- a/src/PriceListTools/SourcePriceList.cs
+++ b/src/PriceListTools/SourcePriceList.cs
@@ -7,7 +7,7 @@ using RhSolutions.Interface;
 
 namespace RhSolutions.PriceListTools
 {
-    internal class SourcePriceList : AbstractPriceList
+    internal class SourcePriceList : PriceListBase
     {
         public Dictionary<Product, double> PositionAmount { get; private set; }
 
diff --git a/src/PriceListTools/TargetPriceList.cs b/src/PriceListTools/TargetPriceList.cs
index da540ae..e360062 100644
--- a/src/PriceListTools/TargetPriceList.cs
+++ b/src/PriceListTools/TargetPriceList.cs
@@ -4,7 +4,7 @@ using System.Linq;
 
 namespace RhSolutions.PriceListTools
 {
-    internal class TargetPriceList : AbstractPriceList
+    internal class TargetPriceList : PriceListBase
     {
         public Range OldSkuCell { get; private set; }
 
diff --git a/src/PriceListTools/AbstractTool.cs b/src/PriceListTools/ToolBase.cs
similarity index 99%
rename from src/PriceListTools/AbstractTool.cs
rename to src/PriceListTools/ToolBase.cs
index 3ea907b..d64522d 100644
--- a/src/PriceListTools/AbstractTool.cs
+++ b/src/PriceListTools/ToolBase.cs
@@ -7,7 +7,7 @@ using ProgressBar = RhSolutions.Interface.ProgressBar;
 
 namespace RhSolutions.PriceListTools
 {
-    internal abstract class AbstractTool
+    internal abstract class ToolBase
     {
         protected Application ExcelApp = AddIn.Excel;
         protected TargetPriceList TargetFile { get; set; }