diff --git a/app/Filament/Resources/ProductCharacteristicsMasterResource.php b/app/Filament/Resources/ProductCharacteristicsMasterResource.php
index 0e766d2..06e123a 100644
--- a/app/Filament/Resources/ProductCharacteristicsMasterResource.php
+++ b/app/Filament/Resources/ProductCharacteristicsMasterResource.php
@@ -274,11 +274,6 @@ class ProductCharacteristicsMasterResource extends Resource
                     ->alignCenter()
                     ->searchable()
                     ->sortable(),
-                Tables\Columns\TextColumn::make('upper')
-                    ->label('Upper')
-                    ->alignCenter()
-                    ->searchable()
-                    ->sortable(),
                 Tables\Columns\TextColumn::make('lower')
                     ->label('Lower')
                     ->alignCenter()
@@ -289,6 +284,11 @@ class ProductCharacteristicsMasterResource extends Resource
                     ->alignCenter()
                     ->searchable()
                     ->sortable(),
+                Tables\Columns\TextColumn::make('upper')
+                    ->label('Upper')
+                    ->alignCenter()
+                    ->searchable()
+                    ->sortable(),
                 Tables\Columns\TextColumn::make('created_at')
                     ->label('Created At')
                     ->alignCenter()