For plumbing of mechanical oil pressure gauges.
Tube outside diameter 3/16" (4.8mm).
Brass connector union on each end.
1/8" NPT female thread on one end
and 1/8" BSP female with male cone end on the other.
Also included 1/8" BSP male to 1/8" NPT male fitting.
OIL PRESSURE GAUGE TUBING KIT #OILTUBE6