3/8 inch male NPT industrial interchange plug. Threads onto pipe and pneumatic tools for connection to Air Chief industrial couplers in shop and field work.
Reducing industrial interchange plug, 3/8 inch body with 1/4 inch male NPT, steel body. Steps down a 3/8 inch coupler to a 1/4 inch tool or pipe inlet.
1/2 inch male NPT industrial interchange plug. Connects threaded tool inlets and pipe to matching Air Chief industrial couplers for compressed air service.