The black pipe fittings malleable screwed plug size is 1/8 inch for steam and water working pressure up to 150 pounds. It has a squared head.
The pipe plugs have a black finish
The pipe plugs are UL and FM certified
The pipe plugs meets ASTM and ASME standards
The pipe plugs are made of 150 class malleable steelThe pipe plugs male NPT threads are for connecting to a Female pipe or fitting