1/4 beer keg US standard 1/4 beer keg 284*590MM thickness: 1.2/1.5MM Material:SUS 304 1/4beer keg (two type different )Meterial: stainless ... spear neck:14''TPI WITH OR WOTHOUT SCREW 1.5 Inch Tri-clover fitting Acid picking passivation,anti-oxidation , good-looking; Stainless ... keg is available Unbreakable stainless steel shell1/2,1/4,1/6 is available A,M,G,S ,D valve is available Safety Opening ...