Dixon 16AMP-R50-75 Stainless Steel 316L Sanitary Fitting, Clamp End Cap, 1/2" to 3/4" Tube OD Range

What more can you ask for from a solid piece of stainless steel. It works like it should and looks good doing it.I use it for a custom keg and it works just great with a ptfe gasket

Perfect for sealing my 13-gallon milk can! Sturdy and very well built!