If you have a mix of old & newer cans, this package is for you. Caps fit standard gas/diesel/kerosene/water cans like Rubbermaid, Gott, Essence, Igloo, Briggs, Eagle, Scepter, Midwest & others. Perfect for transporting & storing your cans, both plastic & metal. CM Concepts­­ Original Design-Don't settle for caps that don't fit right or with inferior materials. Ours include fuel-resistant Buna-N gaskets & are made for U.S cans. 1.75" inside diameter. 0.9" inside depth (excluding 2.4mm gasket). Two thread types to fit various jug mouths Pack of 4 Solid Base Caps; 2 fine thread & 2 coarse thread May be used with Chilton, Craftsman, Anchor, No-Spill, F-Style jugs & some racing jugs ONLY with special adapter (available online). Update your trusty cans today with this set of solid base caps. Durable & made in two thread types, you'll have caps to fit a variety of standard cans, including Rubbermaid, Gott, Essence, Igloo, Briggs, Scepter, Eagle (plastic), Midwest, some metal cans (Midwest/Briggs) and others. Includes new & improved gasket. Comes in a pack of 4, 2 fine thread & 2 coarse thread. Cap must be fully tightened on can for proper seal. May be used with Chilton, Craftsman, Anchor, No-Spill, F-Style jugs & some racing jugs ONLY with special adapter (available online). Please note this is not an exhaustive list & there may be other cans or jugs with irregular mouths that are not compatible or require an adapter.