General description This is a replacement CO2 pin valve adapter that is commonly used for tanks with M18X1.5 thread. It is designed to facilitate the refilling of CO2 tanks. Technical specifications Thread size: M18X1.5 Material: Brass Color: Gold Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with tanks featuring M18X1.5 thread Package contents: 4 * CO2 Pin Valve