[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 1/2inch or 3/4inch NPT external threaded joints on both sides that can rotate freely. It comes with 1/2inch or 3/4inch internal threaded rotating joints for easy installation and movement. [FUNCTION]:The compressor hose functions as a compressor jumper and fers vibrations from the to a filter regulator/air tank or other piping system,extending the lifespan of equipment. [STABLE ADAPTABILITY PERFORMANCE]:This product hose can maintain good performance in the temperature range of -50 F to 750 F or under high pressure conditions of 453 PSI,and can adapt 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 the sealing of the hose,and are ground and polished to make the overall structure of the product sturdy and beautiful. Colour:Silver Material:Stainless steel Package Contents: 1 x Wire braided hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.