Keep your tires moving. This 6.5-inch straight-on dual foot extension has a closed check chuck and is to be used on an airline with air meter or compressor. It has a quarter-inch threaded female NPT that secures tightly to any air hose. The closed chuck is a best choice for an air compressor that features a tank. Air will not flow until the chuck is pressed or locked onto the valve stem of your tire. Inflate tires and adjust air pressure with ease using this dual foot (dual head) design makes it easy to affix to valve stems from various angles and is especially nice when checking tire pressure under a semi truck.

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