General description This is a replacement CO2 pin valve adapter that is commonly used for tanks with M18X1.5 thread. It is designed to convert the thread for easy refilling. 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 Other information Package Contents: 3 * CO2 Pin Valve Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.