SIRIUS ACT, KEYED SWITCH O.M.R., 22MM, CIRCULAR, PLASTIC, LOCK NO. 73033, YELLOW, WITH 2 KEYS, 3-POINT . I-O-II, URGENT, K??T ON. 2X45 ST, EXT. KEY IN POS. I O II, LASER INSCRIPT, UPPERCASE AND LOWERCASE LETTERS, BEGINNING OF A LINE ALWAYS UPPERCASE