[ROTATABLE COUPLING]: This product is equipped with a rotatable NPT compression coupling at both ends of the hose. Before assembling the hose onto the coupling, make sure to install the adapter onto other devices. After installation, the rotation function will be locked. [FLEXIBILITY]: The hose is designed to be highly flexible, with 1/2 inch or 3/4 inch NPT external threaded joints on both sides that can rotate freely. It comes with 1/2 inch or 3/4 inch internal threaded rotating joints for easy installation and movement. [FUNCTION]: The compressor hose functions as a compressor jumper and transfers vibrations from the compressor to a filter regulator, air tank, or other piping system, extending the lifespan of equipment. [STABLE ADAPTABILITY PERFORMANCE]: This hose can maintain good performance in the temperature range of -50°F to 750°F and under high pressure conditions of 453 PSI, adapting to certain extreme environments. [TECHNOLOGY]: The compressor hose is made of stainless steel braided fabric and corrugated stainless steel. The hose and joint are connected by underwater welding to ensure sealing, and are ground and polished to make the overall structure sturdy and smooth. Color: Silver Material: Stainless Steel Package Contents: 1 x Wire Braided Hose Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.