Can connected with the 1nd and 2nd regulator long and short hose, and the male end of the long and short hose can rotate 360 degrees. Suitable for most 1nd stage and long and short hose. High quality metal material, safe to use, long service life. Professional manufacturing, fine workmanship, sturdy and . Small size and , easy to carry and store, convenient to use. Condition: New Item Type: Diving Adapter Type: Low Tube Colour: silver Material: metal Package Contents: 1 * Diving Adapter Only the above package content, other products are not included. Note: Light 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.