1、The thread size is TR21-4 // W21.8-14, stable performance, easy to install and use. 2、Suitable for large-scale carbon dioxide tanks with thread DIN477 or JIS m22-14 (Europe TR21-4, W21.8-14). 3、Adopts thread connection, with good sealing and high reliability. 4、Practical soda accessories, professionally manufactured, can be used for a long time. 5、Made of high-quality metal material, high hardness, durable and wear-resistant. Condition: 100% Brand New Item Type: Soda Hose Adapter Kit Material: Metal+ Electroplating + Polyurethane Test Pressure: 210bar Working Pressure: 630bar Thread Size: TR21-4 // W21.8-14 Thread Interface: DIN477 or JIS m22-14 for large carbon dioxide tanks (Europe TR21-4, W21.8-14) Applicable Countries: South Korea, Japan, United Kingdom, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore Weight: Approx. 324g / 11.4oz Length: Approx. 91.4cm / 36in 1 x Soda Hose 3 x Gasket