⅜"BSPF - 9/16"HPM 1500 Bar Product description Adapter various applications ( mostly testunit)Connections : ⅜"BSPF - 1⅛"-12UNFM (with 58° male conus)Dimensions : Hex. 30 x 52 mm. ID ø 5,5 mm.Material : st. steel 316Part number : 304945