1/4 beer keg US standard 1/4 beer keg 284*590MM thickness: 1.2/ ... neck:14''TPI WITH OR WOTHOUT SCREW 1.5 Inch Tri-clover fitting Acid picking passivation,anti-oxidation , ... embossing, or engraving available; unstackable available; Logo embossing for the stainless steel beer keg is available Unbreakable stainless steel ... shell1/2,1/4,1/6 is available A,M,G,S , ...