(Pack of 5) 3 1/2" ID 3.5 inch Hole Plugs Flush Mount Black Plastic Body and Sheet Metal Plugs ' Out Side Head Dia 3.7/8", for Panel Thickness 0.03"-0.11", Height 0.28" ' by SBD suitable for hold ID...
(Pack of 10) 1 3/4" 1.75 inch CAPLUGS Flush Mount Black Plastic Body and Sheet Metal Hole Plugs - Head Diameter 2 1/8" - for Panel Thickness 0.03"-0.08". Overall Height 1/4"