[Specification] These wing nuts are manufactured to exact specifications of M16x1.5 thread with integrated 6mm hose connector, ensuring perfect compatibility with standard truck air systems. [Application] Designed to be compatible with truck air supply interfaces (LKW) and tire inflation systems that require this specific configuration. It can also be applied to pneumatic devices that require this specification; make sure you identify the correct specification. [Durable Zinc Alloy Construction] Made with zinc alloy which provides excellent corrosion resistance and mechanical strength. [COMPLETE WITH RUBBER WASHER] Includes built-in rubber washer that creates a tight seal for pneumatic connections, preventing air leakage during tire inflation and operation of pneumatic tools. [2-PIECE SERVICE SET] Includes two identical wing nuts with hose connectors, which provide primary use and backup for roadside emergencies., Manufacturer: eMagTech