Copper 450 2 blade prop.
Ready to use out of the package.
You can sharpen it a little more than it is now (and rebalance), but it is not too bad the way it comes.
50mm Diameter 70mm Pitch (1.97x2.76 inches)
Good for 45 size mono hulls and 60 size scale hydroplanes.
3/16 inch bore.
Made from coper alloy.
Includes 1 prop.
Check balance before use.