SIRIUS ACT, KEYED SWITCH BKS, 22MM, ROUND, PLASTIC, LOCK NO. S1, WITH 2 KEYS, 3 POS. I-O-II, URGENT, K??T ON. 2X45 ST, 10:30/12/13:30, EXHIBIT KEY IN POS. I, LASER INSCRIPT, UPPERCASE AND LOWERCASE LETTERS, BEGINNING OF A LINE ALWAYS UPPERCASE