. . Right, reducing, steel hexagonal nipple for wrench, with threads G 3/4" and M30x2Applied in power hydraulicsBASIC DATAMaterial: steelThread I: G 3/4" male thread (according to BSPP¹)Thread II: M30x2 male threadBritish Standard Pipe Parallel - British Standard Pipe Parallel, inch cylindrical thread, one of the Whitworth Pipe Threads (BSP) denoted by the letter G.All photos in this auction are review photos..