Up from now the stahlbus USA LLC. sells the smart KENNFIXX® Grip in the USA. This product is a smart hydraulic connector for tractors and attachments. You can couple and decouple your hydraulic lines very fast, easy and secure. It is used by the big five tractor manufacturer and over 400 machine manufacturer in the world. But you can also use it in your existing tractor and attachments. The KENNFIXX® Grip is made in Germany in a high quality. Here you can see a video from the inventor of the KENNFIXX® Grip.