This barrel is a Kilderkin (Dutch keg). It carries 18 Imperial gallons and has diameters from 450mm at the ends to 500mm in the middle. It is 600mm high. Model includes beer barrel with wooden tap and stand.Other kegs that could be made from this model by scaling up or down are:The Firkin has a 9 gallon capacity and dimensions H=450mm OD=410mm and end diam.= 380mm.Both of these kegs have four metal straps each. Wine kegs are different sizes.