Features: Make of Coppers materials, enduring and practical to use.
3/8inch: 1st stage low pressure Scubas Diving Port Plug.
7/16inch: High pressure regulator port plug.
Standard and professional size fit perfectly.
Comes with sealing rings, leakproof.

Specifications: Materials: Coppers
Styles: High pressure/Low pressure
High pressure size: about 1.3x1cm/0.51x0.39inch
Low pressure size: about 1.3x1cm/0.51x0.39inch
Low Pressure Port Thread: 3/8inch
High Pressure Port Thread: 7/16inch

Package Includes: 1Pc Diving Regulator Plug

note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.