A weight drop pocket for a SCUBA diver comprising a flap closed pocket for containing a weight with a stiffener secured to the pocket and having an opening through which a projection from a mating element secured to a skin diver apparatus may be inserted with the pocket and mating element retained in a preselected orientation and held in place by a spring biased rod inserted through the projection thereby locking it to the mating element until the rod is withdrawn by a force which overcomes the spring bias.