SIRIUS ACT, KEYED SWITCH RONIS, 22MM, ROUND, PLASTIC, LOCK NO. SB30, WITH 2 KEYS, 2 POS. O-I, UNTIL RETURN, 10:30/13:30, DEPARTURE KEY IN POS. O AND, WITH HANDLE, 1NO, ATTACH. SPRING-LOADED, POSSIBLE SPECIAL LOCKS: SB31, 421, 455, LASER-INCLUDED, UPPERCASE AND LOWERCASE LETTERS, BEGINNING OF A WORD ALWAYS WITH UPPERCASE