Use this to mount extra-wide CB Boards on the QuickMount™ housing or as a Header Isolator™ protective adapter to protect built-in headers on any tester from contamination, bent pins and wear. Mount the CB25A (top image) to your tester like any other CB board, then attach your connectorized CB board test interface fixture to it as shown in bottom image. Required as a Riser Board when attaching a CB35 interface fixture to the top of an HVX-series control module.