This will fit Rubbermaid 2.5 gallon gas can with a 4.25 mm thread pitch. This will NOT fit Midwest or Blitz cans with coarse or fine threads. Three models are included, one closed lid, one lid with a 31 mm spout hole, and a spacer that is sized to fit a standard gas can spout gasket (1.45 mm od) and set into the gas can mouth..
The author marked this model as their own original creation.