Padlock

The utility model discloses a padlock, including a lock body, the TSA lock core, indicate display window and unblank to indicate the slider, unblank to indicate the slider to be equipped with the display area that does not unblank of display area and customs that unblanks of customs, unblank to indicate the slider to be equipped with the do not unblank constant head tank and the constant head tankof unblanking, the lock body is equipped with the locating piece, locating piece and do not unblank constant head tank or unblank the spacing realization of constant head tank cooperation and unblankto indicate the spacing relatively fixed of slider, unblank to indicate the slider to have certain flexible elasticity in the constant head tank department of unblanking with do not unblank constanthead tank department and/or locating piece, when the rotation of TSA lock core pass key was unblanked, the TSA lock core promoted to unblank to indicate the slider to remove and unblanks display areato the customs and correspon