Our 304C-16 1" JIC Hydraulic hose cap, made of Carbon Steel, will cover and seal the ends of 1" JIC Male hydraulic hose fittings to keep out dust, dirt, and other contaminants.  This can help extend the life of your hydraulic fitting by keeping the threads protected when not in use.  These accessories have a female-threaded end that connects to the male-threaded end of compatible hydraulic hose fittings.