General description This Tank Regulator Valve ON/OFF ASA Adaptor is designed to convert any G1/2-14 (.824inch-14NGO) tank into an on/off valve. It features a quick turn knurled twist ring that disengages the pin depressor, effectively stopping the flow of gas without the need to remove the tank. This adapter is compatible with standard valve threads on CO2 and compressed air tanks. Technical specifications Height: 52.5 mm Thread: G1/2-14 (upper and lower) Working pressure: Under 3000 psi Input to Output: G1/2-14 threads Color: Black Material: Metal Measurement allowed error: +/- 1-3 cm Package Contents 1 x adapter Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.