The Model A Ford Jack A-17080. For Early Model A's and a carry over also fit late Model T's.  Used 1928 to August 1929. It stands about 10 1/4" tall and operates easily by hand. This Jack is a vintage part designed for use with Ford vehicles from the 1927 to 1929. Made of steel, this jack is an Original jack made by Walker for Ford. Ideal for collectors or enthusiasts looking to restore or maintain the authenticity of their classic Ford vehicles.

Information from, Model A judging standards published by model A Restores club. 

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