Two Blade Impeller Sand Mold Pattern Wood Vintage

Type: Mini Impeller, 2 blades
Wood
4 7/16 inch long X 1 5/8 inch in diameter in the middle
1 3/8 inch tall at the blades
1 1/8 inch tall at the center

This item is the original pattern. 
It was used to make replica patterns for the sand mold process.
These patterns were then used to cast these items out of aluminum.

This item is used and is being sold, “as is”.