The utility model discloses an it is synchronous from tight frock tray of double entry clamp, including standard base, the insulating frock main part in top surface band -pass hole is equipped with on the standard base top surface, be equipped with two parallel arrangement's direction slide bar in the insulating frock main part, it is equipped with two sliders to slide on two direction slide bars, the one end slidable mounting of two slider homonymies is on a direction slide bar, the other end slidable mounting of two slider homonymies is on another root direction slide bar, the both ends of every direction slide bar are overlapped respectively and are equipped with a reset spring, reset spring's one end and slider offset, reset spring's the other end and the inner wall that insulating frock main part corresponds the position offset, it presss from both sides to install an activity that is used for centre gripping mutual -inductor neck on the top surface of two sliders respectively, symmetrical arrangement is pressed from both sides in two activities, wear out the through -hole on two activities are pressed from both sides and be located insulating frock main part top surface top, it stretches into the opening in the insulating frock main part to be equipped with the gas claw that is used for on the automatic verification line on the standard base. Be applicable to mutual -inductor automatic verification line.