Tru-Flate Tru-Match Aluminum I/M Style Plug 1/4 in. Male 1 pc, Plews, Mfr#: 12-224R

Adopted by most coupler manufacturers this plug design is considered the industrial standard. It can be identified by the 3/16 in. pilot and flat bottom V-shaped ball groove. Conforms to ANSI (NFPA) T3.20.14-1990 dimensions.