Check out the latest product in stock.
One inch diameter spinners.
Spun aluminum cone with a turned backplate from 6061- T-6 alloy. The nose piece has a 1/16" cross hole to tighten, with a 5-40 stud to fit into the supplied union nut. These are fit together as a set.
No prop cut outs. The assembly weighs just under a quarter of an ounce.
Price is $20 with $2 shipping