Posted on August 28, 2006September 19, 2006 by cwguyRound Stainless Vacuum Domes Round stainless vacuum domes not really sure on the gauge. But according to this chart I think it is around 16 gauge. I measured twice in inches 0.058" or 0.0575" and 1.57mm. If it is close I could get someone else to measure. I should have five.