From Hirose, a range of IP67 weather resistant hoods. These RJ connector hoods have a duel lock feature which prevents miss-mating and unmating. The hoods are manufactured from a weather resistant plastic and have a robust bayonet lock. They have a 6.8 mm outside diameter cable acceptance and are intended for use with the Hirose TM21 series of connectors, see part number 436-1387 typically.