HPA Tank Regulator Valve On/Off ASA Adaptor G1/2-14 Thread Saver,CO2/Compressed Air Pin Valve Depressor Black Adapter 1 Piece Inline screw on adapter turns any G1/2-14 (.824inch-14NGO) tank into an on/off. Fits standard valve threads on CO2 and HPA tanks. Quick turn of the knurled twist ring disengages the pin depressor stopping the flow of gas. This on/off eliminates the need to remove your tank. Product name: Conversion connector Height: 52.5mm Thread: upper and lower G1/2-14 Working pressure:Under 3000psi. Input to Output:G1/2-14 threads. Colour:black Material:Metal Package Contents: 1 x adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.