<h3>Key features</h3><ul> <li>Material: Pneumatic tool accessories made of high-quality aluminum.Corrosion-resistant,heat-resistant,high-pressure-resistant,and more durable.</li> <li>Size: 1/4-inch female thread, maximum working pressure of 300 PSI.</li> <li>5-in-1 Design: Compatible with five types of connectors, convenient to connect, and easy to use</li> <li>Suitable for a variety of applications: Works perfectly with common air hoses, air compressors, blow guns, pneumatic wrenches, and pneumatic grinders, providing a tight, airtight seal</li> <li>Package includes: 6* Green Universal Quick Industrial Air Coupler, 1* PTFE tape.</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>