The JCM 617 consists of an appropriate number of bolting lugs/loops (dependent upon size) that are welded to (2) rolled half rings that are permanently welded to the pipeline. JCM 617s can be installed to provide restraint directly to the fitting (when anchor loops are present) or with restraining tie rods that extend across the fitting to the opposite side pipe restraint product (JCM or third party restrainer). Quantity and size of tie rods are determined by nominal pipe size, opposite restraint product or by customer provided information. Tie rods provided by JCM is optional.