THIS IS FOR A USED BUT IN GOOD CONDX DUAL VAR CAP BY E F JOHNSON MODEL D PART NO.153-503.HAS A KNOB AND INSULATED SHAFT.THE SHAFT ON THE VAR CAP IS 3/8" LONG AND THE SHAFT ON THE INSULATED PART IS 1/2" LONG.ALSO HAS 4 PORCELAIN STAND OFF FEET.SO THE CAP CAN BE MOUNTED TO BE INSULATED FROM GND. TNX RANDY K4RHH $30 plus shipping from 24502
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