diff --git a/Libs/CMS_CORE_Library.dll b/Libs/CMS_CORE_Library.dll
index a9466a44..b3552068 100644
Binary files a/Libs/CMS_CORE_Library.dll and b/Libs/CMS_CORE_Library.dll differ
diff --git a/Step.Model/DTOModels/ToolModels/DTOSiemensToolModel.cs b/Step.Model/DTOModels/ToolModels/DTOSiemensToolModel.cs
index 3a56faf9..beb499de 100644
--- a/Step.Model/DTOModels/ToolModels/DTOSiemensToolModel.cs
+++ b/Step.Model/DTOModels/ToolModels/DTOSiemensToolModel.cs
@@ -51,7 +51,7 @@ namespace Step.Model.DTOModels.ToolModels
         public bool InChangeTool { get; set; }
 
         [Required]
-        public bool IsInUse { get; set; }
+        public bool InUse { get; set; }
 
         [Required]
         public bool PreAlarm { get; set; }
@@ -68,7 +68,7 @@ namespace Step.Model.DTOModels.ToolModels
                 IsEnabled = dtoModel.IsEnabled,
                 IsActive = dtoModel.IsActive,
                 IsInhibited = dtoModel.IsInhibited,
-                IsInUse = dtoModel.IsInUse,
+                IsInUse = dtoModel.InUse,
                 IsMeasured = dtoModel.IsMeasured,
                 InChangeTool = dtoModel.InChangeTool,
                 InFixedPlace = dtoModel.InFixedPlace,
diff --git a/Step.NC/NcHandler.cs b/Step.NC/NcHandler.cs
index 157b958e..db85f4ae 100644
--- a/Step.NC/NcHandler.cs
+++ b/Step.NC/NcHandler.cs
@@ -669,9 +669,9 @@ namespace Step.NC
             return numericalControl.TOOLS_RFamilyData(ref families);
         }
 
-        public CmsError GetMagazinesPositionsData(out List<PositionsModel> magazinesPositions)
+        public CmsError GetMagazinesPositionsData(out List<PositionModel> magazinesPositions)
         {
-            magazinesPositions = new List<PositionsModel>();
+            magazinesPositions = new List<PositionModel>();
             return numericalControl.TOOLS_RMagazinePositions(ref magazinesPositions);
         }
         #endregion Read Data
@@ -773,9 +773,9 @@ namespace Step.NC
             return numericalControl.TOOLS_WUpdateFamilyData(oldName, newName);
         }
 
-        public CmsError UpdateMagazinePosition(PositionsModel magazinePosition)
+        public CmsError UpdateMagazinePosition(PositionModel magazinePosition)
         {
-            return numericalControl.TOOLS_WUpdatePositions(magazinePosition);
+            return numericalControl.TOOLS_WUpdatePosition(magazinePosition);
         }
 
         public CmsError DeleteTool(int id)
@@ -808,9 +808,9 @@ namespace Step.NC
             return numericalControl.TOOLS_WDeleteEdge(toolId, edgeId);
         }
 
-        public CmsError GetMagazinePositionsAndTools(int magazineId, out List<MagazineAndToolModel> magazinePos)
+        public CmsError GetMagazinePositionsAndTools(int magazineId, out List<PositionModel> magazinePos)
         {
-            magazinePos = new List<MagazineAndToolModel>();
+            magazinePos = new List<PositionModel>();
             return numericalControl.TOOLS_RMagazineTools(magazineId, ref magazinePos);
         }
 
@@ -821,9 +821,14 @@ namespace Step.NC
             return numericalControl.TOOLS_RAvailableTools(ref multiTools, ref tools);
         }
 
-        public CmsError UpdateMagazine(int magazineId, List<NewToolInMagazineModel> newMag)
+        public CmsError LoadToolInMagazine(int magazineId, NewToolInMagazineModel newMag)
         {
-            return numericalControl.TOOLS_WUpdateMagazineTools(magazineId, newMag);
+            return numericalControl.TOOLS_WLoadToolInMagazine(magazineId, newMag);
+        }
+
+        public CmsError UnloadToolInMagazine(int magazineId, int positionId)
+        {
+            return numericalControl.TOOLS_WUnloadToolInMagazine(magazineId, positionId);
         }
         #endregion
         #endregion Write data
diff --git a/Step/Controllers/WebApi/ToolTableController.cs b/Step/Controllers/WebApi/ToolTableController.cs
index 9c863457..374e2af7 100644
--- a/Step/Controllers/WebApi/ToolTableController.cs
+++ b/Step/Controllers/WebApi/ToolTableController.cs
@@ -180,7 +180,7 @@ namespace Step.Controllers.WebApi
             using (NcHandler ncHandler = new NcHandler())
             {
                 ncHandler.Connect();
-                CmsError libraryError = ncHandler.GetMagazinesPositionsData(out List<PositionsModel> magazines);
+                CmsError libraryError = ncHandler.GetMagazinesPositionsData(out List<PositionModel> magazines);
                 if (libraryError.IsError())
                     if (libraryError.errorCode != CMS_ERROR_CODES.NOT_CONNECTED)
                         return BadRequest(libraryError.message);
@@ -201,9 +201,9 @@ namespace Step.Controllers.WebApi
                 ncHandler.Connect();
 
                 // Create Library model
-                PositionsModel pos = new PositionsModel()
+                PositionModel pos = new PositionModel()
                 {
-                    Id = positionId,
+                    PositionId = positionId,
                     MagazineId = magazineId,
                     Type = Convert.ToInt32(magazinesPos.Type)
                 };
@@ -357,7 +357,7 @@ namespace Step.Controllers.WebApi
             {
                 ncHandler.Connect();
                 // Call delete library function
-                CmsError libraryError = ncHandler.GetMagazinePositionsAndTools(magazineId, out List<MagazineAndToolModel> magazinePos);
+                CmsError libraryError = ncHandler.GetMagazinePositionsAndTools(magazineId, out List<PositionModel> magazinePos);
                 if (libraryError.IsError())
                     if (libraryError.errorCode != CMS_ERROR_CODES.NOT_CONNECTED)
                         return BadRequest(libraryError.message);
@@ -386,8 +386,8 @@ namespace Step.Controllers.WebApi
             }
         }
 
-        [Route("magazine/{magazineId:int}"), HttpPut]
-        public IHttpActionResult GetAvailableTools(int magazineId, [FromBody][Required] List<DTOUpdateMagazineModel> newMag)
+        [Route("magazine/{magazineId:int}/load"), HttpPut]
+        public IHttpActionResult LoadToolInToMagazine(int magazineId, [FromBody][Required] DTOUpdateMagazineModel newMag)
         {
             if (!ModelState.IsValid)
                 return BadRequest(ModelState);
@@ -396,9 +396,9 @@ namespace Step.Controllers.WebApi
             {
                 ncHandler.Connect();
 
-                List<NewToolInMagazineModel> libraryMag = newMag.Select(x => new NewToolInMagazineModel { PositionId = x.PositionId, ToolId = x.ToolId }).ToList();
+                NewToolInMagazineModel libraryMag =  new NewToolInMagazineModel { PositionId = newMag.PositionId, ToolId = newMag.ToolId };
                 // Call delete library function
-                CmsError libraryError = ncHandler.UpdateMagazine(magazineId, libraryMag);
+                CmsError libraryError = ncHandler.LoadToolInMagazine(magazineId, libraryMag);
                 if (libraryError.IsError())
                     if (libraryError.errorCode != CMS_ERROR_CODES.NOT_CONNECTED)
                         return BadRequest(libraryError.message);
@@ -406,5 +406,25 @@ namespace Step.Controllers.WebApi
                 return Ok(newMag);
             }
         }
+
+        [Route("magazine/{magazineId:int}/unload/{positionId:int}"), HttpPut]
+        public IHttpActionResult UnloadToolFromMagazine(int magazineId, int positionId)
+        {
+            if (!ModelState.IsValid)
+                return BadRequest(ModelState);
+
+            using (NcHandler ncHandler = new NcHandler())
+            {
+                ncHandler.Connect();
+
+                // Call delete library function
+                CmsError libraryError = ncHandler.UnloadToolInMagazine(magazineId, positionId);
+                if (libraryError.IsError())
+                    if (libraryError.errorCode != CMS_ERROR_CODES.NOT_CONNECTED)
+                        return BadRequest(libraryError.message);
+
+                return Ok();
+            }
+        }
     }
 }
\ No newline at end of file