1Fits for all normal Corny kegs. 2Comes with built-in carbonation stone, provides the easiest way to carbonate kegs. 3Easy speedy carbonation. No need to shake your keg with this keg lid kit. 4Keg Lid with stainless Ball Lock Post, silicon Keg lid Seal. 5Replace your old bent, dented, or leaking lids. Features:Fits for all normal Corny kegs.Comes with built-in carbonation stone, provides the easiest way to carbonate kegs.Easy speedy carbonation. No need to shake your keg with this keg lid kit.Keg Lid with stainless Ball Lock Post, silicon Keg lid Seal.Replace your old bent, dented, or leaking lids. Specification:Material: Stainless steelSize of keg lid: 13*11.2*6cm / 5.1*4.4*2.4 inch(Approx.) Size of air stone: 4.6*1.3cm / 1.8*5.1 inch(Approx.) Size of beer line:50cm / 19.7 inch(Approx.) Package list:1 * Cornelius style carbonation keg lid1 * 0.5 Micro air stone1 * Beer line(2ft)