These Automatic Couplers accept both Industrial and Acme Interchange connectors. They feature six (6) ball construction to provide a more secure and balanced connection, prolonging the life of the connector. When used with Acme Interchange connectors, they allow more flow than most other 1/4" body quick disconnects Durable Construction: Crafted from heavy-duty brass and steel, this Coilhose Coupler and Plug 12 Piece Kit ensures long-lasting performance, even under rigorous conditions, making it ideal for professional use. Quick Disconnect Design: Featuring 1/4" NPT Quick Body Disconnects, this kit allows for swift and effortless connection and disconnection of pneumatic tools and equipment, enhancing workflow efficiency. Versatile Compatibility: Compatible with a wide range of air tools and accessories, including air compressors, pneumatic nailers, paint sprayers, and more, this kit offers versatility for various applications. Secure Connection: The couplers and plugs in this kit provide a secure and leak-free connection, ensuring optimal air pressure and preventing air loss during operation, resulting in improved tool performance. Convenient Kit: With 12 pieces included in the kit, including couplers, plugs, and fittings, you'll have everything you need for setting up and maintaining your pneumatic system, making it a convenient and cost-effective solution for workshops and job sites. These Automatic Couplers accept both Industrial and Acme Interchange connectors. They feature six (6) ball construction to provide a more secure and balanced connection, prolonging the life of the connector. When used with Acme Interchange connectors, they allow more flow than most other 1/4" body quick disconnects.