ProStar cable connectors. Complete set 2 WPC, Cable Capacity: 1/0, 2/0, 3/0 ProStar cable connectors are designed to efficiently conduct the current through a detachable-type connection. Positive-cam mechanical design allows lock-in with a twist and pulls the two halves tightly together. Connector covers have a remarkable resistance to heat, cold, abrasion, oils and solvents. Call us with any questions 602-850-7399.