Giving You A Hand The Test Clip Company offers the Backprobe Connector Test Clip, which allows hands-free connection of meter or scope leads to any wire in seconds. The small, durable connector permanently attaches to harness wire with an easy-to-use place-and-click mechanism. The product eliminates clumsy scope lead rigging and the need for an extra set of hands to perform simple circuit tests. The Backprobe Connector does not damage wires, provides a reusable test point for future testing and fits all 18-gauge circuits.