All our 1/4 IPS steel pipe has full thread and an actual outside diameter of 1/2".
Pipe nipples (6" and shorter pieces) are yellow zinc plated.
If you are looking for standard 1/8 IPS pipe (3/8" diameter) click here.
All our 1/4 IPS pipe is steel with full threads and has a 1/2" actual outside diameter.
ALL 1/4 IPS hardware has 1/2" actual diameter threads. This is NOT 1/4" diameter!