Do you need a quick way to connect and disconnect pneumatic hoses and tools? Choose these male couplings from RS PRO. They feature a quick-release system that allows you to detach tools from the air supply without leaks or drops in pressure. Their compact design means you can operate them with just one hand. The couplings are made of sturdy brass with a nickel-plated finish for corrosion resistance, making them a durable choice. They're interchangeable with Rectus Series 21 and 90 equipment, as well as Camozzi and Legris parts. This makes it easy to integrate them into your existing pneumatic system. These connectors are small enough to fit precision equipment such as dentistry tools. They're also a suitable choice for laboratory or medical instrumentation.