Abstract: This invention is the structure of handles, for attache cases or related products, that can also be used to lock the cases. It uses a pair of tension handles that has insertion poles on opposite ends to fit into the slots on the joints of case shells, and buckles on the other opposite ends to fasten with mortises on the joints of case shells by the use of the handles' tension, thus closing the case tightly and easily for light and safe lifting and carrying.