High pressure:30mpa Application:HPAT PCP Scuba Diving air inflation from big bottle to small bottle; or air inflation to big bottle High pressure filling adapter 24inch 63MPa high pressure hose with spring wrapped Inlet thread:G5/8 male thread to connect to din valve G5/8 female thread Outlet thread:8mm copper thickened quick disconnect to connect with a small bottle Colour:Black & Silver Material:Metal Size:The hose is about 50cm long Package Contents: 1 x Refill Adapter 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.