This gauge has 1/8" NPT male threads which come out the back of the gauge. This gauge is a top quality gauge made with a black steel case.

Features:
0-60 PSI air pressure gauge with a 1.5" dial plate.
This gauge has number markings at 0， 10， 20， 30， 40， 50， 60 psi.
Made with a black steel case， durable for use.
1/8" male npt threads， which measure about 3/8" outside diameter.

Specifications:
Material: Steel
Pressure Range: 0-60 PSI
Threads: 1/8" NPT
Dial Plate Diameter: 1.5"
Item Weight: 51g / 1.8oz
Package Size: 4.5 * 4.5 * 4.2cm/ 1.77 * 1.77 * 1.65in
Package Weight: 58g / 2.05oz

Package List:
1 * Pressure Gauge