. . Right, reducing, steel hexagonal nipple for wrench, with threads G 1/2" and M26x1.5Applied in power hydraulicsBASIC DATAMaterial: steelThread I: G 1/2" male thread (according to BSPP¹)Thread II: M26x1.5 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..