Streamline pneumatic system installations with the 170-Piece Push-to-Connect Air Hose Fitting Kit, a comprehensive assortment of straight connectors designed for industrial automation and garage workshops.Engineered for versatility and speed, this kit eliminates the need for threading, soldering, or tools. It covers a wide range of needs with 5 imperial sizes (1/8 in. to 1/2 in. OD) and 5 metric sizes (4 mm to 12 mm OD), ensuring you always have the right part for air line repairs, automotive air suspension systems, and machinery maintenance. The intuitive push-in design allows for instant tubing connection and quick disconnection, significantly reducing downtime during maintenance.Unlike standard plastic fittings, these connectors feature nickel-plated brass bodies and high-strength stainless steel locking claws. This robust construction ensures a secure, leak-free grip on PU, PA, PE, and PVC tubing, even under high vibration. With a working pressure capacity of up to 145 psi and 360-degree rotation capabilities, this kit offers the reliability and flexibility required for professional pneumatic circuits and complex piping layouts.