1/4" Hose Barb Air Chuck Brass tire inflator Lock on air Chuck Air Compressor with Barb Connector for Hose repair Descriptions 1/4 Inch Female NPT Threads Fit Most Air Inflators Heavy-Duty Brass Construction for Strength and Durability Well Built and Sturdy. Open Flow Design Allows Air to Flow Even When Not Engaged to a Valve-Stem Open chuck without Internal Shut-off -Valve. Works without a valve-core. Brass Components are Designed for Heavy Duty Use with Tire Inflators and Gauges. Package included: 1 X 1/4" Hose Barb Air Chuck