Manage Variants added in Tools under Stock Module
diff --git a/erpnext/config/stock.py b/erpnext/config/stock.py
index 70bb258..f4ec6f0 100644
--- a/erpnext/config/stock.py
+++ b/erpnext/config/stock.py
@@ -83,6 +83,11 @@
 					"name": "Stock UOM Replace Utility",
 					"description": _("Change UOM for an Item."),
 				},
+				{
+					"type": "doctype",
+					"name": "Manage Variants",
+					"description": _("Manage Item Variants."),
+				},
 			]
 		},
 		{