The Western Instruments W-6CSK AC Cavity Yoke is Western Instruments W-6CS AC Cavity Yoke has been developed due to customer requests for safer and faster Wet Method Inspection in tight spaces or unusual work piece configurations. The Western Instruments W-6CSK AC Cavity Yoke is W-6CS has many of The Western Instruments W-6CSK AC Cavity Yoke is unique features of both our WC and WE-Series Yokes, such as The Western Instruments W-6CSK AC Cavity Yoke is unique Power Cord Strain Relief and Urethane Housing, Safety Features, and Ruggedness