Nitto Kohki TWIST PLUG coupling without valve with external thread. One-way shut-off quick coupling designed for connecting pneumatic devices and tools. It features a flexible connection between the quick coupling plug and the thread, allowing free angle adjustment (up to a maximum of 70°), which enables comfortable operation even in confined spaces or overhead. couplings can be combined with Nitto Kohki HI CUPLA series sockets. Operating temperature: from -20°C to +60°C. Working pressure: 10 bar.