¼"BSPF - 1⅛"UNFM (9/16"HP) 1500 Bar Product description Adapter various applications ( mostly testunit)Connections : ¼"BSPF - 1⅛"-12UNFM (with 58° male conus)Dimensions : Hex. 30 x 42 mm. ID ø 5,5 mm.Material : st. steel 316Part number : 304942