material : brass and steel both size : any size from 2mm to 32mm or from 1/8’’ to 2’’. thread : iso metric, mm, pg, bsw, bsp, bsb, bsf, ba, npt, nptf, unc, unf, unef etc. Are available finish – brass natural, electro-tinned, nickel, chrome, silver, gold, zinc blue etc.available