MTSVLAS25 Features: -Same locking technology as the famous Lock A Socket.-Interchangeable locking post.-2 strips of high powered magnet.-Great for the sides of service carts and tool boxes.-Makes socket sizes easy to read The Vertical Lock A Socket accommodates all types of sockets; swivels, impacts, shallows, deeps, and etc..-1/4"" Drive Vertical Lock A Socket. Warranty: -1 yr warranty from date of shipment from vendor.