Durable nylon polymer Cover Cap, which will provide a high level of protection against damage caused by scrapes, scratches and dents to SCUBA Diving Regulator 1st Stages fitted with an EN-144-1 type DIN fitting with G5/8” thread. Quickly and conveniently attaches to the regulator inter-stage hose with the supplied cord to avoid loss when not in use. Also ensures that the thread and vital internal components of the first stage remain free from any contamination. Female thread type, which is also perfect to protect the threads on Air Filters, Charging, Hoses, Air Gun fittings and anything else with a DIN G5/8” Male threaded attachment fitting. COLOUR: Black.