These are Original Part No 8991018 1 Qt Cans of SAE 90 Rear Differential Oil for Your  1962/65 Model 10 Classic,Model 80 Ambassadors.An 1966 Model 01 American,Model 10 Classic,Model 50 Marlin,Model 80 Ambassadors.An The Following Engines They Used to Drive The Diffs.196 6cyl,232 6 cyl,287V8,327V8.But I Wouldn't Use It Now..Maybe In; Differential Of Your Big Ride On Lawn Mower.Only Collectors of Oil Cans or Products.Or The Man Cave Or The Woman Cave Or Man Dingo Cave! Only the Best Will Do For ?We Have Different Conditions Of These Cans.That Is Why The Cheaper the Can .Not As Gooda Condition.Has More Dents.